Table 2: RV-2 Specifications
Materials of Construction
316/316L Stainless Steel, PTFE, and Viton®
Others Available
Maximum Allowable Inlet Pressure
5000 psig (
344 barg
)
Connections
Inlet:
¼" MNPT (Standard) or ¹⁄₈" MNPT
Outlet:
Atmospheric or ¼" MNPT
Spring Range
100–300 psig (
6–20 barg
)
150–800 psig (
10–55 barg
)
500–1000 psig (
34–68 barg
)
900–1500 psig (
62–103 barg
)
1900+ psig (
131+ barg
)
Option
Pre-Set Relief
Table 3: RV-2CP Specifications
Materials of Construction
316/316L Stainless Steel, PTFE, and Viton®
Others Available
Maximum Allowable Inlet Pressure
5000 psig (
344 barg
)
Connections
Inlet:
½" – 20 UNF
Outlet:
¼" FNPT
Spring Range
100–300 psig (
6–20 barg
)
150–800 psig (
10–55 barg
)
500–1000 psig (
34–68 barg
)
900–1500 psig (
62–103 barg
)
1900+ psig (
131+ barg
) [Standard]
Options
Pre-Set Relief
NACE Compliance
Table 4: RV-3 Specifications
Materials of Construction
316/316L Stainless Steel, PTFE, and Viton®
Others Available
Maximum Allowable Inlet Pressure
3600 psig (
248 barg
)
Connections
Inlet:
¼" MNPT (Standard) or ³⁄₈" MNPT
Outlet:
¼" FNPT, ³⁄₈" FNPT, ½" FNPT, ¾" FNPT, or 1" FNPT (Standard)
Spring Range
0–50 psig (
0–3 barg
)
0–200 psig (
0–13 barg
)
Option
Pre-Set Relief
1.4 Equipment Diagrams
Figure 1: RV-1 Diagram
5
IOM-033
MODELS: RV-1, RV-2, RV-2CP, and RV-3
REV: F
13839 West Bellfort Street, Sugar Land, TX 77498
welker.com
Service Department 281.491.2331
