GO PR-7LF 系列 高灵敏度减压阀
PR-7LF Series
High Sensitivity Pressure Reducing Regulator
GO PR-7LF 系列减压阀是旨在提供精确的低出口压力控制分析仪器。 随着大隔膜感应区域的组合PR-7 系列调节器和低流量阀座PR-1 系列压力调节器的组装,轻松控制低至 10 英寸水柱的压力可获得。PR-7LF 系列减压阀可用于可选择不锈钢或黄铜结构; 特别的合金可根据特殊要求提供。
技术数据
Features & Specifi cations
• Sensitive pressure control
• Low pressure adjustability
• Stainless steel or brass construction (optional
Monel® or Hastelloy® C construction)
• 20 micron inlet fi lter
• Optional special fi ttings including VCR®-compatible
face seal (male or female)
• Inlet pressure to 3600 psig
• Adjustable outlet pressure ranges 0–6, 0–25, 0–50,
0–75, 0–125 & 0–250 psig
• Cv fl ow coeffi cients of 0.025; 0.06; 0.20; 0.50
• PTFE/Viton® diaphragm standard up to 25 psig
• 316L stainless steel or brass, Inconel®, Tefzel® & PTFE
in the fl ow stream
• Operating temperatures -40° F to +250° F (-40° C to
+121° C)
• Inlet and outlet connections ¼˝ FNPT standard
Maximum Temperature &
Operating Inlet Pressures
SEAT MATERIAL
MAXIMUM
TEMPERATURE* @
MAXIMUM OPERATING INLET
PRESSURE
PTFE 150° F (66° C) @ 3600 psig (24.82 MPa)
Tefzel® 150° F (66° C) @ 3600 psig (24.82 MPa)
PCTFE
(formerly Kel-F® 81)
175° F (80° C) @ 3600 psig (24.82 MPa)
Viton® 250° F (121° C) @ 300 psig (2.07 MPa)
Kalrez® 250° F (121° C) @ 300 psig (2.07 MPa)
* Temperatures in excess of 175° F (80° C) require a metal knob or the
tamper-proof option.
产品选型说明