Normally Closed Valve from Kingwell Oilfield

Place of Origin: Shaanxi,China (Mainland)
Power: Pneumatic
Standard or Nonstandard: Standard
Pressure: High Pressure
Structure: Safety
Material: Others
Temperature of Media: Others
Media: Others
Brand Name: KINGWELL
service:: H2S, CO2
Application:: well testing
Condition:: New
Type: ⅠType, II Type
Name: Normally Closed Valve
Certification:: API, ISO
Usage: oilfield tools


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Product Description

Payment & Shipping Terms Supply Capacity
Unit Price:1.0 USDProduction Capacity:1000 sets per month
Trade Term:FOB,CFR,CIF,DDP,DAP,CIP,CPT,FCA,EXWPacking:wood case or steel...
Payment Terms:L/C, D/P, D/A, T/TDelivery Date:within 1-2 month(s)...
Min. Order:1 Set/Sets
Means of Transport:Ocean, Air, Land

Normally Closed Valve from Kingwell Oilfield


Normally Closed Valve mostly work with hydraulic packer which set by differential pressure. After operation and would to pull out of packer, drop ball to increase pressure for opening circulating port, make sure to balance pressure above & below packer when pulling out of completion string tools, could start directing & reversing operation. Ⅱ type of normally closed valve could shoot ball valve to bottom, inject heavy crude oil by annulus, mix with down-hole back liquid and return to surface from string tool.



OD (mm)

ID (mm)

Length (mm)

Open/shoot differential pressure (MPa)

Thread connection






2 7/8''EUE.B×P

Ⅱ Type




2 7/8''EUE.B ×3 1/2''EUE.P 


Company Introduction

Xi'an Kingwell Oilfield Machinery Co.,Ltd is an established, financially stable manufacturing company and manufactured products are technically qualified which match the highest quality & reliability standards. We fulfill all the requirements to become a reliable supplier of any National and International majors in this field.

Here we got some prise as follows.
Drill Stem Testingtools 5Round Mandrel Slip Joint

Pls contact us freely!

Mobile/whatsapp/viber/liner/imo: 0086-133 7918  6892

Category: String

Related Category: Hydraulic Packer  Bridge Plug  valve