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Metal Check Valve Stainless Steel General Purpose Type Dart Back Pressure Valve
Metal Check Valve Stainless Steel General Purpose Type -Dart Back Pressure Valve
Metal Check Valve Stainless Steel General Purpose Type -Dart Back Pressure Valve

Metal Check Valve Stainless Steel General Purpose Type Dart Back Pressure Valve

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Price:$383.00 - $3,833.00

Quantity:


Product Overview

Description



Products Description




Type Dart Back Pressure Valve(drilling tool check valve)is an important IBOP tool commonly used in drilling and workover operations.When run in hole with drill string,under the combined action of the spring force and the reverse circulation pressure inside the drilling tool,the arrow check valve quickly closes the channel,shut off the internal channel of the drilling string to prevent blowout inside the drilling string.



models
D inch
d inch
L inch
PsiWorking
FJ86/35-NC26
33/8
12/5
16
5000
FJ86/70-NC26
11/4
10000
FJ105/35-NC31
41/8
13/5
16
5000
FJ105/70-NC31
13/4
10000
FJ121/35-NC38
43/4
21/4
18
5000
FJ121/70-NC38
21/5
10000
FJ140/35-NC40
51/2
21/4
18
5000
FJ140/70-NC40
21/4
10000
FJ152/35-NC46
6
213/16
181/2
5000
FJ152/70-NC46
213/16
10000
FJ168/35-NC50
65/8
85
181/2
5000
FJ168/70-NC50
39/32
10000
FJ178/35-51/2FH
7
311/32
194/5
5000
FJ178/70-51/2 FH
39/32
10000
FJ203/35-65/8 FH
8
311/32
201/2
5000
FJ203/70-65/8 FH
39/32
10000
FJ229/35-75/8 REG
9
311/32
201/2
5000
FJ229/70-75/8 REG
39/32
10000


Technical features


1.The sealing surface is made of spraying hard metal alloy, erosion-resistant;
2.Use up and down dual centralization to ensure sealing performance;


Certifications




Company Profile






Dongying Weite Petroleum Equipment Co.,Ltd. is a high-tech enterprise specialising in the manufacture of petroleum equipment, and a well-known domestic manufacturer of IBOP, PCV electronic blocking valves, blocking valve manifolds, kill valve manifolds, gate valves, and oil well equipment (casing heads, spools, flanges). We cooperate with professional research institutes and organisations both at home and abroad, and conduct extensive technical exchanges on core topics, including but not limited to product structure optimisation, high temperature and ultra-high pressure areas, erosion resistance under high velocity fluid conditions, and extended service life. We are certified to API Spec Q1, ISO9001, ISO14001, ISO45001 and have been granted the right to use the APISpec 7-1 and APISpec 6 logos. Our products are widely used and recognised in major oilfields and sold to more than 20 countries worldwide.


Product packaging




FAQ


How to order?
Please send us your inquiry with detail item description or with Model number.
If there is no packing demand we take it as our regular exported standard packing.
We will offer you an order form for filling. We will recommend you the most suitable model according to information you offered.
You send us your detail requirement, we provide quotation to you.
Can I expect a quality products?
All the production and processing are strictly according to ISO 9001:2008 and API standard. At the same time, mature production technology ensuring the quality satisfy international request. We also welcome the third party inspection, such as BV, SGS and TUV.

The information you may like to know before Payment:

1. Methods of Payment:
T/T (Telegraphic Transfer) or L/C at sight

2. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.

3. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.


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