CIRCLE SEAL 安全阀5300 Series
Relief Valves400 to 10,500 psig (28 – 724 bar)
特征
Zero leakage up to 95% of cracking pressure
No chatter or squeal
Positive reseal at a high percentage of cracking pressure
No pressure rise with increasing flow
Externally adjustable
PED certifications and CE marking available for most models
技术数据
Body Construction Materials Brass, 303 or 316 stainless steel
O-ring Materials Buna N, neoprene, and Viton®
Poppet Materials • Liquid service: CRES 440C
• Gas service to 3074 psi: PCTFE
• Gas service above 3074 psi: Polyimide (Vespel®)
Retainer Stem 303 stainless steel
Seat Material 17-4 PH stainless steel
Spring Material 17-7 PH stainless steel
Backup Rings Teflon®
Operating Pressure 400 to 10,500 psig (28 to 724 bar); specify cracking
pressure
Proof Pressure • Gas: 4500 psig (PCTFE); 10,500 psig (Polyimide)
• Liquid: 16,000 psig
Burst Pressure • Brass: over 30,000 psig (2068 bar)
• Stainless steel: over 40,000 psig (2758 bar)
Temperature Range −65° F to +350° F (−54° C to +177° F)
Based on O-ring & body material, see “How to Order”
Connection Sizes • ¼˝ to ½˝ female pipe
• ¼˝ to 1˝ female tube
Note: Proper filtration is recommended to prevent damage to sealing surfaces.
产品选型说明：
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