New up-rated pressure ratings for Series 50-Model 52, 2-Way, Normally Closed valves have been announced by Peter Paul Electronics Co., Inc., New Britain, Connecticut.
These two basic grommet and conduit models of Series 50, 2- way NC valves have new up-rated pressure ratings which are UL listed to 1,000 PSI.
These re-rated valves are now UL approved. Maximum operating pressure differential has been increased by more than 50% with burst pressure at 5,000 psi. Orifice size and CV factors are shown in the table. These numbers are representative to grommet, conduit, and spade terminal designs.
Maximum Operating Orifice CV
Pressure Differential Size Factor
AC DC Inlet Exh. Inlet Exh.
500 (1000)* 250 (1000)* 1/32 .022
400 (700) 150 (450) 3/64 .055
200 (470) 100 (325) 1/16 .075
150 (270) 75 (210) 5/64 .134
100 (260) 45 (175) 3/32 .156
75 (135) 25 (100) 1/8 .230
40 (50) 10 (20) 5/32 .292
*New up-rated pressure ratings in brackets.
The 50-year-old Peter Paul Electronics Co., Inc., through a worldwide distributor network, provides a broad range of standard and miniature solenoid valves; Explosion-Proof, High-Flow, and High Pressure models; complimentary manifolds and stacking valves in stainless, brass, or aluminum; solenoid valve operators for OEM use; and a vast array of body, housing, and coil options for standard and special applications. Most PeterPaul solenoid valves are UL recognized and CSA listed.
For further information, write:
Series 50 Upgrade
Peter Paul Electronics Co., Inc.
480 john Downey Drive, P.O. Box 1180
New Britain, CT 06050-1180
Phone: 860-229-4884
Fax: 860-223-1734
E-mail:
info@peterpaul.com
