Submittal Sheet
Table Of Contents
Model RVS52 
COMPACT ASME SEC VIII 
STEAM SAFETY VALVE 
(10512 Series) 
Job Name:  Contractor: 
Job Location:  P. O .  N um b er :  
Engineer:  Representative: 
Tag:   Wholesale Distributor: 
DESCRIPTION 
 Conbraco Industries, Inc. 701 Matthews Mint Hill Rd. Matthews NC 28105 USA ; www.apollovalves.com ; 704-841-6000 
This specification is provided for reference only. Conbraco reserves the right to change any portion of this specification without notice 
and without incurring obligation to make such changes to Conbraco products previously or subsequently sold. 
SS1008 © 4/10 Page 1 of 1 
ASME Section VIII capacity certified safety valve for 
overpressure protection of steam systems, cookers, 
kettles, sterilizers and similar equipment. 
FEATURES 
 ASME Section VIII Certified Capacity 
 15-60 psig (1.0 – 4.1 bar) Set Pressures @ 300°F 
(150°C) max 
 Compact Design 
 Chrome Finish Options 
 Stainless Steel Wetted Component Option 
  Directive 97/23/EC (PED) Compliant Option 
 Directive 2002/95/CE (RoHS) Compliant 
 MADE IN THE USA 
MATERIALS 
Body:  ASTM B16 Brass 
Nozzle: ASTM B16 Brass 
Spring:  Stainless Steel 
Seat:  Silicone 
CAPACITY 
Set Pressure PSIG (bar)  Capacity LB/HR (kg/hr) 
15 (1.03)  151 (68) 
20 (1.38)  178 (81) 
25 (1.72)  205 (93) 
30 (2.07)  232 (105) 
35 (2.41)  259 (117) 
40 (2.76)  285 (129) 
45 (3.10)  312 (142) 
50 (3.45)  339 (154) 
55 (3.79)  365 (166) 
60 (4.14)  392 (178) 
APPROVALS 
ASME Section VIII Div 1 Pressure Vessels 
Canadian Registration Number 0G8547.5C 
Pressure Equipment Directive 97/23/EC (PED) 
RVS52- 
FINISH OPTIONS 
 BLANK = Brass 
 P = Polished chrome 
 S = Satin chrome 
 N = Electroless Nickel 
 T = Stainless Trim 
SEAT MATERIAL 
 BLANK = Silicone 
 V = Viton 
SET PRESSURE 
  (15-60, psig) 
SPECIAL OPTIONS 
 CE = PED compliant 
 BS = BSP Threads 
ORDER NUMBER 
RVS52 –Finish-Seat-Set Pressure-Special Option 
Example: Model RVS5260 (Brass finish, Silicone seat, 
60 psi setpoint) 
DIMENSIONS 
Model  Item No.  SIZE  A  B  C 
RVS52  10512  1/2  1.55 (39)  2.62 (67) 1.19 (30)
All dims in inches (mm); 

