1、 Specifications and brief description

Specification: NPS1-16 (DN25-400), Class150-1500 (PN16-250)

Description: J10 cast steel throttle/stop vent valve

2、 Detailed information

Product Overview

The throttling, shut-off, and venting valve has throttling, shut-off, and venting functions, and is characterized by erosion resistance, low vibration, long service life, reliable sealing, low switching torque, and no need for daily maintenance. It is widely used for venting oil, natural gas, gas, and other pipelines in emergency situations or during maintenance.

The design and inspection can comply with standards such as GB/T 12224, JB/T13602, GB/T 26480, etc. The fire safety design meets the requirements of API 6FA, and the NACE anti-corrosion and acid resistance are optional.

main features 

① Adopting a maze type multi-stage throttling structure, the throttling effect is obvious

② The valve seat is sealed with both soft and hard sealing, and the sealing surface is welded with hard alloy, ensuring reliable sealing

③ Special structural design of valve core, low opening and closing torque

④ Special hardening treatment on the surface of valve sleeve, valve core, and valve seat, resistant to medium erosion

⑤ The pre tightening force of the valve stem packing is convenient and adjustable, making it easy to operate

⑥ Reasonable internal structure design, low noise and vibration during valve operation