Pressure Relief Valve Specification Sheet

Sheet No.
Req. No.
Job No.
Date Sheet ______ of ______
01 Tag Number
02 Service
03 Line/Vessel Number
GENERAL
04 Full/Semi Nozzle
05 Safety/Relief
06 Conventional/Bellows/Pilot Operated
07 Quantity
08 Size: Inlet/Orifice/Outlet
CONNECTIONS
09 Flange Rating
10 Flange Faces
*11 Body/Bonnet/Top Plate
*12 Nozzle
*13 Disc
*14 Guide
MATERIALS
*15 Spring
*16 Resilient Seals
17 Cap Type
17A Lever
17B Test Gag
18 Field Test Connection
19 Pilot Supply Filter
OPTIONS
20 Test Button or Lever
21 Back Flow Preventer
22 Remote Pressure Pickup
23 Other
24 Code
BASIS
25 Fire
26 Rupture Disc
27
28 Fluid and State
29 Required Capacity
30 Molecular Weight / Specific Gravity
31 Set Pressure
31A Operating Pressure
32 Operating Temperature
32A Flowing Temperature
INPUT DATA
33 Back Pressure – Const/Var
34 Back Pressure – Total
36 Allowable Overpressure
37 Overpressure Factor
38 Compressibility Factor
39 Latent Heat of Vaporization
40 Ratio of Specific Heat
41 Operating Viscosity
42
43
44 Calculated Area
CALCULATED
45 Selected Area
VALUES
46 Orifice Designation
47 Manufacturer
FARRIS
48 Model Number
49
50
COMMENTS
51
52
53
* For Catalog materials other than Farris standard, please call Portersville PRD for Pressure / Temp Limits