Jiangsu double-hsin petroleum machinery Ltd., located in Jiangsu Province is known as the breadbasket Jianyang Jianhu County Industrial Park, is specializing in the production of petrochemical equipment of private enterprises. Existing staff of 128 people, 42 engineering and technical personnel. The company is the China National Petroleum Corporation and oil company shares in the supply of oil drilling and production accessories level members of the network unit, but also China's oil supplies and equipment export members of the network unit. The company has a sound quality management and quality assurance system, metrology and testing physical and chemical test well-equipped to meet the API production. 1997 passed ISO9002 international quality system certification, in 2003 won the American Petroleum Institute API-6A certificate (6 A-0644), API-16C (16C - 0034) certificate.
Hotline：
0515-86315688
Fax：
0515-86315666
Bank accounts：
Bank of China
Zip：
224700
Structural features of Hydraulic throttle
Double-hsin Jiangsu Machinery Limited production of oil hydraulic throttle control for matching sinks and other devices, as the flow conditioning equipment. Through raise or lower the spool position to change flow channel cross-section size, in order to achieve the flow control.
No.
Name
Number
Meterial
Remarks
1
Bush
1
PTFE
2
Value
1
35CrMo
3
Valve cover bolt
8
35CrMo
4
“o”Ring
2
NBR
5
Valve seat sets
1
35CrMo
6
Valve seat
1
YG8
7
Stem joints
1
35CrMo
8
Spool
1
YG8
9
“o” Ring
2
NBR
10
Filler letter
1
35CrMo
11
“o” Ring
2
NBR
12
Valve cover
1
35CrMo
13
Packing gland
1
35CrMo
14
Valve cover Nut
8
35CrMo
15
Stem
1
2Cr13
16
Stent
1
40Cr
17
Ma Jian
1
45
18
Stem Nut
1
ZcuA19-4
19
Hand round
1
QT400-17
20
Indicators Central
1
2Cr13
21
Valve Cover
1
Q235
22
Bearing gland
1
40Cr
23
Bearing
2
Standard parts
24
Jian Ping
1
Standard parts
25
Oiling Central
1
Standard parts
26
Filler gasket
2
2Cr13
27
Filler
5
FKM
