Large gap ultra-high-pressure sealing components (Type D)


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Performance and Purpose

The sealing component is made up of a polyurethane sealing ring and fan-shaped supporters. It is mainly used by hydro-static testing machines in the pressure test of steel pipes. In the non-working state a gap exists between the sealing ring and surface of steel pipe. When testing, hydraulic liquid is applied to the surface of the sealing ring. The ring is then pressed to enclose the surface of steel pipe firmly, and then the pressure testing can be performed. It is applicable to the pressure testing of casings, tubings, natural gas pipes and other steel pipes. It has also been used in leak inspection of the steel pipes, connections, welded joints and sealing for the high-pressure valve.

Description

Advantages

  1. Lip Optimization: under peripheral pressure, the lip and groove surface fit more closely, and the higher the pressure, the better the lip sealing.
  2. The fan-shaped supporters, in the premise of increasing the strength of the sealing ring, can shrink and expand in radial direction with the sealing ring.

Working conditions

Compliant for use with several standards about hydraulic testing requirements including API 5CT-2018、ISO11960-2014 Petroleum and natural gas industries—Steel pipes for casing or tubing, GB/T9711-2017; GB/T8163-2018 for seamless steel tubes; GB/T3091-2015 for welded steel pipes.

Working pressure: ≤ 120 MPa

Working temperature: -20 to +80℃

Working medium: water, emulsion, hydraulic oil

Material: Polyurethane

Specifications:

 

 

 

 

 

 

Additional information

Type

CD114.3-66, CD127-66, CD139.7-66, CD168.3-66, CD177.8-66, CD193.7-66, CD219.1-66, CD244.5-66, CD273.1-66, CD323.9-66, CD60.3-66, CD73-66, CD88.9-66

Pipe size

10-3/4", 12-3/4", 2-3/8", 2-7/8", 3-1/2", 4-1/2", 5-1/2", 5", 6-5/8", 7-5/8", 7", 8-5/8", 9-5/8"

Sealing dimension - d 0

125, 139, 152, 180, 189, 206, 230, 257, 284, 338, 70, 82, 99

Sealing dimension - D0

164, 176, 192, 224, 237, 248, 278, 287, 304, 326, 355, 381, 436

Groove dimension - d

121, 134, 147, 176, 185, 201, 226, 252, 280, 332, 66, 78, 95

Groove dimension - D

162, 174, 190, 222, 235, 246, 276, 285, 302, 324, 353, 379, 434

Groove dimension - H

66

Order No

C605, C607, C610, C611, C612, C614, C615, C616, C617, C619, C620, C623