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Description

Clamping system is designed for fast mounting, clamping and testing of pressure safety valves according to common international standards. To fix the tested valve on the system operator should turn the control handle for simultaneous moving of three claws towards the valve body.

For fast and easy clamping and sealing of the tested valve, test bench is equipped with hydraulic cylinder that is operated from control station or by using foot pedal, located directly besides the bench. Multi-table installed on the hydraulic cylinder rod allows to test most of standards pressure safety valves with RF & RTJ types of flange.

Clamping system has enlarged inner bore of pipes (20 mm) and high pressure hoses to increase air amount released during PSV opening for accurate set point determination and smooth spool reseating without any damage to sealing surfaces. Special coating and elements of stainless steel are used to provide stable operation both in moderate and tropical types of climate. 

clamping_system_pktbas140040psv

Types of tested valves

  • RF flanged pressure safety valves DN 10 – 400 (NPS 3/8 – 16) as per ASME B16.5
  • RTJ flanged pressure safety valves DN 10 – 400 (NPS 3/8 – 16) as per ASME B16.5

Technical parameters

Valve inlet size

Maximum test pressure, bar

DN (NPS)

Liquid test

Gas test

10 (3/8)

400

400

15 (½)

400

400

20 (¾)

400

400

25 (1)

400

400

32 (1 ¼)

400

400

40 (1 ½)

400

400

50 (2)

400

400

65 (2 ½)

400

400

80 (3)

400

400

100 (4)

400

400

125 (5)

250

250

150 (6)

190

190

200 (8)

105

105

250 (10)

70

70

300 (12)

45

45

350 (14)

35

35

400 (16)

25

25

  • Test medium: For gas test – air / nitrogen
  • Maximum clamping force, tons: 40
  • Diameter of the clamped flange (min-max), mm: 90 – 580
  • Clamped flange thickness (min-max): 14 – 115
  • Built-in tank volume, l: 155
  • Power supply: Not required
  • Dimensions (LxWxH), mm, not exceeding: 1214 х 1123 х 990
  • Weight, kg, not exceeding: 604

clamping_system_pktba-s-1-40040-psv.pdf


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THIEN QUANG EQUIPMENT AND TECHNOLOGY TRANSFER COMPANY LIMITED

Address: No 173D, 13 Group, Yen Nghia precinct, Ha Đong district,  Ha Noi City

Phone : 043 357 0109   Email: info@thienquangett.com