ATR Severe-Service Check Valve (-196℃～+600℃/400bar)
ATR Hard Seat Check Valve
Uses
ATR check valves have no rubber but completely stainless steel or carbon steel, and the hard seal can still maintain good sealing performance. Such valves are mainly intended for high temperature, low temperature or special applications where no rubber should be used.
Technical Data
• Type of connection: BSPP female thread (ISO228-1) or weld type
• Cracking pressure: 0.4bar (Standard)
• Cracking pressure deviation: ≤±30%
• Operating temperature:-196℃～+300℃ (common valves); -196℃～+600℃ (high temperature valves)
• Max. working pressure: See "Table of Technical Data"
• Body material: 304/316L stainless steel
• Disk material of common valve: tungsten carbide and 630 hardened stainless steel
• Disk material of HT valve: 2507 stainless steel
• Spring material: 304 stainless steel, X750 (HT valve)
• Max. leakage: as per GB/T26480-2011
- Product Details
- 概要描述
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- Commodity name: ATR Severe-Service Check Valve (-196℃～+600℃/400bar)
- Commodity ID: EG00060
- 小标题: ATR Hard Seat Check Valve
<span style="color:#af2039"> ○ </span> -196℃～+600℃, 400bar <span style="color:#af2039"> ○ </span> BSPP: G1/4～G11/4; Weld: 12～35mm <span style="color:#af2039"> ○ </span> Stainless steel body, metal-to-metal seal, suitable for solvents and high/low temperature medium
Check Valve working pressure-Temperature Table
Allowable Pressure Drop As Temperature Rises
1) Female Threaded Check Valve
Ordering Information
Table of Technical Data [mm]2) Welded Check Valve
!! WARNING: Apply stainless steel-specific lubricant PASTE to the contact surface between the welded pipe nipple and the valve, as well as the internal thread of the lock nut (see the product page for ferrule‑preinstalled fittings and lubricants).
Ordering Information
Table of Technical Data [mm] -
Uses
ATR check valves have no rubber but completely stainless steel or carbon steel, and the hard seal can still maintain good sealing performance. Such valves are mainly intended for high temperature, low temperature or special applications where no rubber should be used.
Technical Data
• Type of connection: BSPP female thread (ISO228-1) or weld type
• Cracking pressure: 0.4bar (Standard)
• Cracking pressure deviation: ≤±30%
• Operating temperature:-196℃～+300℃ (common valves); -196℃～+600℃ (high temperature valves)
• Max. working pressure: See "Table of Technical Data"
• Body material: 304/316L stainless steel
• Disk material of common valve: tungsten carbide and 630 hardened stainless steel
• Disk material of HT valve: 2507 stainless steel
• Spring material: 304 stainless steel, X750 (HT valve)
• Max. leakage: as per GB/T26480-2011
Check Valve working pressure-Temperature Table
Allowable Pressure Drop As Temperature Rises
1) Female Threaded Check Valve
Ordering Information
Table of Technical Data [mm]
2) Welded Check Valve
!! WARNING: Apply stainless steel-specific lubricant PASTE to the contact surface between the welded pipe nipple and the valve, as well as the internal thread of the lock nut (see the product page for ferrule‑preinstalled fittings and lubricants).
Ordering Information
Table of Technical Data [mm]
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