Ball screw gate valve
description1
Zipper closure
1/5 zip athletic pullovers for men. Stretchy, lightweight, fast-drying
fabric for superior performance.
REGULAR FIT - US standard sizes. An athletic fit that sits close to the
body
for a wide range of motion, designed for optimal performance and all day
comfort.
FEATURES - Quarter zip closure;Thumbholes on long sleeves to keep them
in
place during workout
Product Description
The switch transmission of the ball screw valve adopts the ball screw structure, which effectively reduces the operating torque to 1/3 of the ordinary valve. Flat gate valve structure, valve with tail rod structure, with pressure balance and switch indication functions. Suitable for large diameter high-pressure valve structure.
Basic parameters
Working pressure: 2000PSI~20000PSI
Nominal diameter: 1 13/16 "～ 9"
Working medium: oil, natural gas, mud, gas containing H2S and CO2
Operating temperature: - 46 ° C~121 ° C (LU level)
Material grade: AA, BB, CC, DD, EE, FF, HH
Specification level: PSL1-4
Performance level: PR1-2
Executive standard: API SPEC 6A
