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Shanghai Naibo resistant pump valve manufacturing co., LTD is a professional manufacture of various types of control valve and pump production manufacturing joint venture, we always adhere to the "customer-centric" service purposes, the continuous optimization and innovation of our products, by construction, environmental protection, fire protection, hvac, water supply and drainage, oil chemical industry, metallurgy, papermaking, electric power industries such as the user's high praise; The starting point of customer's affirmation, is resistant to bo; Resistance to bo people will with great patience and confidence, to strive and create the world's top flow of the pump valve products; Provides excellent products and to really sincere service is our resistance to the theme of eternal pursuit!
NB Pneumatic Program Control Stop Valve (Direct Action Type)
    The series valve, which is the main element for realizing the automatic control of industrial pipeline and one of the most important valve products in PSA voltage absorption device, is widely applied to the automatic pipeline of such industries as petroleum, chemical industry, pharmacy, chemical fertilizer and electric power, etc. It is particularly applicable to the engineering pipeline for gas separation by pressure swing adsorption such as hydrogen, oxygen, reformed gas, FCC dry gas, shift gas, etc., as well as the pipeline with two-way sealing requirements.

Standard specification

Design and manufactureGB/T12235
Connection dimensionStructure lengthGB/T12221
Flange dimensionGB/T9115
Weld end dimensionGB/T12224
Inspection and testJB/T9092 GB/T13927
MaterialCarbon steelGB/T12229
Stainless steelGB/T12230
alloy steelGB/T5263
Supply of goodsJB/T7928

Technical Parameter

Nominal diameter (mm)50 ~ 300
Nominal pressure (Mpa)1.0~1.6
Operating pressure differential (Mpa)0~1.6
Applicable mediumWater, stream, oils and gas
Medium temperature (oC) -15~180
Mode of actionDirect operation (first time of valve start)
Drive modePneumatic and hydraulic drive
Material of valve bodyWCB  CF8

Outer dimension

In the material…
In the material…
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