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Super Safety Valve Inconel 718

Xi'an ZZ Top Oil Tools Co.,Ltd

Country/Region:China

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Super Safety Valve Inconel 718

Country/Region china
Company Xi'an ZZ Top Oil Tools Co.,Ltd
Categories API 6A Gate Valve
Update 2016-09-26 13:43:58
ICP License Issued by the Chinese Ministry
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You are hereHome>Products>Drill Stem Testing Tools / DST>Cased Hole Drill Stem Testing Tools>Super Safety Valve Inconel 718
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Super Safety Valve Inconel 718
Model No:TOP - SSV -03
Place of Origin:Shaanxi,China (Mainland)
Working pressure:105Mpa
Working temperature:400F
H2s:Full H2S
Material:Inconel 718
Type:Surface control
Size:8"
Condition:Stock/unused
Operation:Remote control
ID:3"
Brand:ZZ TOP
Special Groups:DST Tools
Open Hole DST
Case hole DST
drill stem testing

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Product Description

Payment & Shipping TermsSupply Capacity
Unit Price:200000.0 USDProduction Capacity:1set/month
Trade Term:FOBPacking:plywood
Payment Term:L/C, T/TDelivery Date:90days
MOQ:1 Set/Sets
Means of Transport:Land, Ocean, Air

Drill stem testing tools

Super Safety Valve

The Super Safety Valve is controlled by two hydraulic lines and contains a chemical injection port. It is designed to

close by spring force but has a nitrogen charge chamber to quicken the closing time. This feature gives the valve the

ability to cut wireline and coiled tubing without the addition of balance line pressure. The valve is held open by

maintaining hydraulic control pressure on the control line. The nitrogen charge chamber and the balance line

chamber are the same chamber. The nitrogen pressure acts directly on the operating piston and a floating check

valve keeps the nitrogen from escaping from the chamber into the balance line. The check valve floats on the surface

of the water (or hydraulic fluid) as fluid is pumped into the chamber. When the fluid is removed, the floating check valve

sets down on the seat and seals the nitrogen charge in the chamber.

OPERATIONS GUIDELINES

Typically, the nitrogen charge chamber of the valve is charged with nitrogen to 1000 to 1500 psi. This charge is sufficient to cut 7/32 inch monoconductor cable, but it is not adequate to cut coiled tubing. The valve can

be charged with nitrogen sufficient to cut coiled tubing, but this raises the required hold open pressure. The tool is

capable of cutting 1.50 inch OD x 0.125 inch wall thickness coiled tubing by application of balance line pressure. The

hold open pressure varies with well conditions; however, it is roughly 2.5 times the nitrogen charge pressure.

All lines on the valve will hold 10000 psi, but a differential pressure between the control and balance line should not

exceed 3000 psi under normal circumstances (control line being higher). This prevents the application of excessive

stress to the ball. (10000 psi in the balance line with no control line pressure is within operational limits.)

Typically, the valve is run into the BOP where the valve controls the tubing area while the BOP pipe ram seals off the

annulus.

No

Specification

8"

1

O.D.

203.2mm

2

Bore Diameter

76.5mm

3

Length

2855.5mm

4

Working pressure

103.5Mpa

5

Internal pressure strength

178.3Mpa

6

External pressure strength

257.8Mpa

7

Tensile strength

6299KN

8

Torque strength

137.6KN.m

9


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