Check & Relief Valves -700H Series: High Pressure Compact Check Valves
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Check & Relief Valves -700H Series: High Pressure Compact Check Valves
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Check & Relief Valves -700H Series: High Pressure Compact Check Valves

- Pressure rating to 6,000 psi (413 bar) at 70°F (21°C).
- Temperature rating from -10°F to 400°F (-23°C to 204°C) with Viton seat standard.
- O-ring poppet design for replaceable high-integrity seal.
- Tight shut-off and accurate cracking pressure.
- Cracking pressure includes 1/3, 1, 5, 10, and 25 psi.
- Maximum flow design allows Cv choices from 0.67 to 4.7.
- Suitable for gas and liquids.
- Special applications are available in sour gas and fluorocarbon-free.
- Size ranges from 1/8" to 1" tubing and pipe.
- A variety of end connections includes male/female NPT, ISO, BSP threads, and female Hy-Lok tube fittings.
- The body Material is standard in 316 stainless steel.
- Suitable for gas and liquids.
- Blow-out resistant and stop reversing flow design.
- SS316 body material as standard.
- 100% factory tested
| Part Number | Body Material | Dimension H (Nut Hex) | Dimension H1 (Body Hex) | Dimension L | Dimension I | Flow Dia. | Inlet End Connection | Max. Cv | Outlet End Connection | List Price |
| CVH1-H-2T | 316 Stainless Steel | 11.1 mm | 17.46 mm | 57.7 mm | 26.4 mm | 4.8 mm | 1/8" | 0.67 | 1/8" | QUOTE |
| CVH1-H-4T | 316 Stainless Steel | 14.2 mm | 17.46 mm | 61.7 mm | 26.4 mm | 4.8 mm | 1/4" | 0.67 | 1/4" | QUOTE |
| CVH1-H-6M | 316 Stainless Steel | 14.0 mm | 17.46 mm | 61.7 mm | 26.4 mm | 4.8 mm | 6mm Male NPT | 0.67 | 6mm Male NPT | QUOTE |
| CVH1-F-4N | 316 Stainless Steel | - | 17.46 mm | 54.1 mm | N/A | 4.8 mm | 1/4" Female NPT | 0.67 | 1/4" Female NPT | QUOTE |
| CVH1-M-2N | 316 Stainless Steel | - | 17.46 mm | 45.5 mm | 26.4 mm | 4.8 mm | 1/8" Male NPT | 0.67 | 1/8" Male NPT | QUOTE |
| CVH1-M-4N | 316 Stainless Steel | - | 17.46 mm | 55.1 mm | 26.4 mm | 4.8 mm | 1/4" Male NPT | 0.67 | 1/4" Male NPT | QUOTE |
| CVH1-V-4 | 316 Stainless Steel | - | 17.46 mm | 57.9 mm | 26.4 mm | 4.8 mm | 1/4" Metal Gasket Seal | 0.67 | 1/4" Metal Gasket Seal | QUOTE |
| CVH1-ZCO-4 | 316 Stainless Steel | - | 17.46 mm | 50.3 mm | 26.4 mm | 4.8 mm | 1/4" 0-Ring Face Seal | 0.67 | 1/4" 0-Ring Face Seal | QUOTE |
| CVH2-H-6T | 316 Stainless Steel | 17.46 mm | 17.46 mm | 69.9 mm | 31.2 mm | 7.8 mm | 3/8" | 1.8 | 3/8" | QUOTE |
| CVH2-H-8T | 316 Stainless Steel | 22.22 mm | 25.4 mm | 75.2 mm | 31.2 mm | 7.8 mm | 1/2" | 1.8 | 1/2" | QUOTE |
| CVH2-H-8M | 316 Stainless Steel | 16.0 mm | 25.4 mm | 68.6 mm | 31.2 mm | 7.8 mm | 8mm | 1.8 | 8mm | QUOTE |
| CVH2-H-10M | 316 Stainless Steel | 19.0 mm | 25.4 mm | 71.1 mm | 31.2 mm | 7.8 mm | 10mm | 1.8 | 10mm | QUOTE |
| CVH2-H-12M | 316 Stainless Steel | 22.0 m | 25.4 mm | 75.2 mm | 31.2 mm | 7.8 mm | 12mm | 1.8 | 12mm | QUOTE |
| CVH2-F-6N | 316 Stainless Steel | - | 25.4 mm | 64.8 mm | N/A | 7.8 mm | 3/8" Female NPT | 1.8 | 3/8" Female NPT | QUOTE |
| CVH2-F-8N | 316 Stainless Steel | - | 26.9 mm | 77.0 mm | N/A | 7.8 mm | 1/2" Female NPT | 1.8 | 1/2" Female NPT | QUOTE |
| CVH2-M-6N | 316 Stainless Steel | - | 25.4 mm | 59.9 mm | 31.2 mm | 7.8 mm | 3/8" Male NPT | 1.8 | 3/8" Male NPT | QUOTE |
| CVH2-M-8N | 316 Stainless Steel | - | 25.4 mm | 69.3 mm | 31.2 mm | 7.8 mm | 1/2" Male NPT | 1.8 | 1/2" Male NPT | QUOTE |
| CVH2-V-8 | 316 Stainless Steel | - | 25.4 mm | 69.3 mm | 31.2 mm | 7.8 mm | 1/2" Metal Gasket Seal | 1.8 | 1/2" Metal Gasket Seal | QUOTE |
| CVH2-ZCO-8 | 316 Stainless Steel | - | 25.4 mm | 59.7 mm | 31.2 mm | 7.8 mm | 1/2" O-Ring Face Seal | 1.8 | 1/2" O-Ring Face Seal | QUOTE |
| CVH3-H-12T | 316 Stainless Steel | 28.58 mm | 41.28 mm | 89.4 mm | 45.2 mm | 15.0 mm | 3/4" | 4.7 | 3/4" | QUOTE |
| CVH3-H-16T | 316 Stainless Steel | 38.1 mm | 41.28 mm | 98.6 mm | 45.5 mm | 15.0 mm | 1" | 4.7 | 1" | QUOTE |
| CVH3-H-22M | 316 Stainless Steel | 32.0 mm | 41.28 mm | 88.4 mm | 45.5 mm | 15.0 mm | 22mm | 4.7 | 22mm | QUOTE |
| CVH3-H-25M | 316 Stainless Steel | 40.0 mm | 41.28 mm | 98.6 mm | 45.5 mm | 15.0 mm | 25mm | 4.7 | 25mm | QUOTE |
| CVH3-F-12N | 316 Stainless Steel | - | 41.28 mm | 82 mm | N/A | 15.0 mm | 3/4" Female NPT | 4.7 | 3/4" Female NPT | QUOTE |
| CVH3-F-16N | 316 Stainless Steel | - | 41.28 mm | 97.3 mm | N/A | 15.0 mm | 1" Female NPT | 4.7 | 1" Female NPT | QUOTE |
| CVH3-M-12N | 316 Stainless Steel | - | 41.28 mm | 83.6 mm | 45.5 mm | 15.0 mm | 3/4" Male NPT | 4.7 | 3/4" Male NPT | QUOTE |
| CVH3-M-16N | 316 Stainless Steel | - | 41.28 mm | 93.2 mm | 45.7 mm | 15.0 mm | 1" Male NPT | 4.7 | 1" Male NPT | QUOTE |
| CVH3-V-12 | 316 Stainless Steel | - | 41.28 mm | 96.0 mm | 45.5 mm | 15.0 mm | 3/4" Metal Gasket Seal | 4.7 | 3/4" Metal Gasket Seal | QUOTE |
| CVH3-ZCO-12 | 316 Stainless Steel | - | 41.28 mm | 73.7 mm | 45.0 mm | 15.0 mm | 3/4" O-Ring Face Seal | 4.7 | 3/4" O-Ring Face Seal | QUOTE |
| CVH3-ZCO-16 | 316 Stainless Steel | - | 41.28 mm | 73.7 mm | 45.2 mm | 15.0 mm | 1" O-Ring Face Seal | 4.7 | 1" O-Ring Face Seal | QUOTE |






