特性:
兩個閥組設計在一個帶有內螺紋入口和出口端口的單個模塊中，結合了隔離閥和校準/放空閥。這通常用於靜壓變送器開關或儀表上。
標準規格:
Connections : Process : 1/2”NPT (F)
Instrument : 1/2”NPT (F)
Drain/Vent : 1/4” NPT (F), 1/2”NPT (F)
Test Pressure : @ 25°C Room Temperature
Hydrostatic : Body - 620 bar
Seat - 415 bar
Pneumatic : Seat - 40 bar
Gland Packing : PTFE : Standard
: GRAPHOIL: Temperatures above 180°C
Material : A 105, A 182 / A 479 GR F 304, A 182 / A 479 GR F316, Monel, Hastelloy
Finish : CS zinc plated. SS Natural
Option : Drain Plug. Three piece union for gauge positioning
Accessory : Mounting Bolts - IS : 1364 - 1960 - 2 Nos
