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Diaphram Seals and Instrument Isolators - Ashcroft

  

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Process Connection Type Model/Description Process Connection Size (NPT) Diaphragm Materials Bottom Housing Materials Pressure Ratings Flange Class Instrument Connection Size Filling Fluid
Threaded 100 - Diaphragm Seal - Capsule -
 0.25",0.50", 0.75", 1" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, PVC, Kynar, Titanium 500, 2,500 & 5,000 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Raised Face Flange 102 - Diaphragm Seal - Capsule -
 0.50", 0.75", 1", 1.5", 2", 3" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, PVC, Tantalum Clad SS, Halar Coated SS, Teflon, Kynar, Titanium 150, 300, 600, 900 or 1500 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Raised Face Flange with Flushing Connection 103 - Diaphragm Seal - Capsule -
 0.50", 0.75", 1", 1.5", 2", 3" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, Titanium 150, 300, 600, 900 or 1500 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
In-Line Threaded 104 - Diaphragm Seal - Capsule -
 0.25", 0.50", 0.75" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, Titanium 500 & 2,500 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Saddle 105 - Diaphragm Seal - Capsule -
 3", 4" and Larger 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, Titanium 500 & 2,500 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
In-Line Flanged 106 - Diaphragm Seal - Capsule -
 0.50", 0.75", 1", 1.5", 2", 3", 6", 8" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel 150 & 300 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
In-Line Socket Weld 107 - Diaphragm Seal - Capsule -
 0.25",0.50", 0.75", 1", 1.5", 2" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, Titanium 500 & 2,500 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
In-Line Butt Weld 108 - Diaphragm Seal - Capsule -
 0.25",0.50", 0.75", 1", 1.5", 2" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, Titanium 500 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Threaded 200 - Diaphragm Seal - Welded or Bonded -
 0.25",0.50", 0.75", 1" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, PVC, Kynar, Titanium 500, 2,500 & 5,000 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Threaded with Flushing Connection 201 - Diaphragm Seal - Welded or Bonded
 0.25", 0.50", 0.75", 1" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, Titanium 500 & 2,500 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Raised Face Flange 202 - Diaphragm Seal - Welded or Bonded -
 0.50", 0.75", 1", 1.5", 2", 3" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, PVC, Tantalum Clad SS, Halar Coated SS, Teflon, Kynar, Titanium 150, 300, 600, 900 or 1500 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Raised Face Flange with Flushing Connection 203 - Diaphragm Seal - Welded or Bonded -
 0.50", 0.75", 1", 1.5", 2", 3" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, Titanium 150, 300, 600, 900 or 1500 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
In-Line Threaded 204 - Diaphragm Seal - Welded or Bonded -
 0.25", 0.50", 0.75" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, Titanium 500 & 2,500 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Saddle 205 - Diaphragm Seal - Welded or Bonded -
 3", 4" and Larger 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, Titanium 500 & 2,500 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
In-Line Flanged 206 - Diaphragm Seal - Welded or Bonded -
 0.50", 0.75", 1", 1.5", 2", 3", 6", 8" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel 150 & 300 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
In-Line Socket Weld 207 - Diaphragm Seal - Welded or Bonded -
 0.25",0.50", 0.75", 1", 1.5", 2" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, Titanium 500 & 2,500 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Threaded 300 - Diaphragm Seal - Clamped (Type 300 series not available with metallic diaphragms)
 0.25",0.50", 0.75", 1" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, PVC, Kynar, Titanium 500, 2,500 & 5,000 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Threaded with Flushing Connection 301 - Diaphragm Seal - Clamped (Type 300 series not available with metallic diaphragm)
 0.25", 0.50", 0.75", 1" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, Titanium 500 & 2,500 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Raised Face Flange 302 - Diaphragm Seal - Clamped (Type 300 series not available with metallic diaphragms)
 0.50", 0.75", 1", 1.5", 2", 3" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, PVC, Tantalum Clad SS, Halar Coated SS, Teflon, Kynar, Titanium 150, 300, 600, 900 or 1500 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Raised Face Flange with Flushing Connection 303 - Diaphragm Seal - Clamped (Type 300 series not available with metallic diaphragm)
 0.50", 0.75", 1", 1.5", 2", 3" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, Titanium 150, 300, 600, 900 or 1500 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
In-Line Threaded 304 - Diaphragm Seal - Clamped -
 0.25", 0.50", 0.75" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, Titanium 500 & 2,500 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Male/Female Threaded Mini (*Flushing Conn.) 310/315* -  "Mini" - Diaphragm Seal - "Mini" Diaphragm Seal
 Female: 0.25", 0.50" Male: 0.25", 0.50", 0.75", 1" 316L Stainless Steel, K-Monel, Tantalum, Hastelloy C 316L Stainless Steel, Hastelloy C, Monel 400 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Female & Male Threaded 311 - Midi - Diaphragm Seal - All Welded -
 Female: 0.25", 0.50" Male: 0.25", 0.50", 0.75", 1" 316L Stainless Steel, Tantalum, Hastelloy C 316L Stainless Steel, Hastelloy C 1,000 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Female Threaded (with Flushing Conn.) 312 - Midi - Diaphragm Seal - All Welded -
 0.25", 0.50", 0.75", 1" 316L Stainless Steel, Tantalum, Hastelloy C 316L Stainless Steel, Hastelloy C 1,000 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Quick Connect 320 - Quick - Connect Diaphragm Seal - Quick-Connect
 0.25",0.50", 1.5", 2" 316L Stainless Steel 316L Stainless Steel 2,500 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
1" Male Flush Mini 330 - Mini - Diaphragm Seal - All Welded -
 1" 316L Stainless Steel 316L Stainless Steel 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Threaded (*Flushing Conn.) 400/401* - Diaphragm Seal - All Welded -
 0.25", 0.50", 0.75", 1" 316L Stainless Steel, K-Monel, Tantalum, Hastelloy B, Hastelloy C, Titanium 316L Stainless Steel, Hastelloy C, Monel 400 4,400 & 9,000 psi (w/XHP) 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Raised Face Flange (*Flushing Conn.) 402/403* - Diaphragm Seal - All Welded -
 0.50", 0.75", 1", 1.5", 2", 3" 316L Stainless Steel, K-Monel, Tantalum, Hastelloy C 316L Stainless Steel, Hastelloy C, Monel 400 150, 300, 600, 900 or 1500 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Threaded (*Flushing Conn.) 500/501* - Diaphragm Seal - All Welded -
 0.50", 0.75", 1" 316L Stainless Steel, K-Monel, Tantalum, Hastelloy B, Hastelloy C, Titanium Steel, 316L Stainless Steel, Hastelloy C, Monel 400, Titanium 500 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Low Pressure Flanged (*Flushing Conn.) 702/703* - Instrument Isolators - Instrument Isolator
 0.50", 0.75", 1", 1.5", 2", 3" 316L Stainless Steel, K-Monel, Tantalum, Hastelloy B, Hastelloy C, Titanium 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Titanium 750 psi 150, 300 or 600 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Low Pressure Threaded (*Flushing Conn.) 740/741* - Instrument Isolators - Instrument Isolator
 0.25", 0.50", 0.75", 1" 316L Stainless Steel, K-Monel, Tantalum, Hastelloy B, Hastelloy C, Titanium Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Titanium 750 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Threaded with Flushing Connection Type 101 Diaphragm Seal, Capsule
 0.25", 0.50", 0.75", 1" 316L Stainless Steel, 304L Stainless Steel, K-Monel, Nickel, Carpenter 20, Tantalum, Hastelloy B, Hastelloy C, Teflon, Viton, Kalrez, Titanium, Halar Coated Monel, Gold Plated 304L Stainless Steel Steel, 304L Stainless Steel, 316L Stainless Steel, Hastelloy B, Hastelloy C, Carpenter 20, Monel 400, Inconel 800, Nickel, Titanium 500 & 2,500 psi 0.25", 0.50" Glycerin, Silicone, Halocarbon, Syltherm
Threaded (*Flushing Conn.) Type 510/511* - Diaphragm Seal - All-Welded
 0.50" 316L Stainless Steel, Hastelloy C 316L 1,500 psi & 5,00 psi (w/XHP) 0.50" Glycerin, Silicone, Halocarbon, Syltherm

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