Technical Specification

Description

  • The Cr-V spring & novel disc & seat design provide reliable bubble – tight seal.
  • Excellent re-seating ability.
  • It features heavy –duty hood & lever mechanism, and a short tuned blow-down which adjusted with a single ring to meet specific requirement
  • It could use for ASME section VIII application at 150psig pressure rating.

Application

  • Boilers, piping lines and vessel protection, including fired and unfired pressure vessels.
  • Power plants and heat exchangers cycle.
  • Pressure reduction & air system
  • Chemical and pharmaceutical plants & food industry too.
  • Refineries and pulp & paper mills
  • Pressure booster systems of water & air.

Size

DIMENSIONS (in mm)
SIZE (mm)  

A

  

C1

 C2 D T B1 B2 H H1
15 ½’’ BSP 44 59 114.3 10 70 75 180 196
20 ¾’’ BSP 55 75 114.3 10 73 76 222 223
25 1’’ BSP 55 78 120.7 12 78 85 225 232
32 1-1/4’’ BSP 68 95 133.3 12 85 90 259 254
40 1-1/2’’ BSP 68 97 139.7 13 90 100 261 264
50 2’’ BSP 77 115 165.1 13 100 110 345 340

Material

S.No PART MATERIAL STANDARD
1 BODY BRONZE BS 1400 LG2
2 ADJUSTING RING BRONZE BS 1400 LG2
3 DISC BRONZE BS 1400 LG2
4 BALL STANINLESS STEEL AISI 304
5 LOWER SPRING DISC BRONZE BS 1400 LG2
6 SPRING Cr-V
7 CHAMBER BRONZE BS 1400 LG2
8 STEM BRONZE BS 1400 LG2
9 UPPER SPRING DISC BRONZE BS 1400 LG2
10 CHECK NUT BRONZE BS 1400 LG2
11 ADJUSTABLE SCREW BRONZE BS 1400 LG2
12 CAP BRONZE BS 1400 LG2
13 HANDLE CAST IRON
14 SCREW & NUT

Technical Data

Body design condition PN 16
Max. Allowable pressure 10barg@225°C
Max. Allowable temp. 225°C
Max. Operating pressure 10barg@180°C
Max. Operating temp. 200°C
Set pressure Range 0.5barg to 10barg
Max. Hydraulic Body Testing 24 barg
Connections Screwed & flanged ends