Side-Entry Threaded Control & Choke Valves

STDC Series

  • Machined from solid bar stock; no porosity, limitless possible lengths
  • Pressure ratings up to 5,000 psi MOP
  • Xylan™ coated 17-4 stainless steel stem and disc driver
  • Standard materials of API 4130 (75K) and 316SS, or customer-specified materials
  • ANSI B16.34 and/or API 6A wall thickness and bolt loading
  • Manual, electric, hydraulic or pneumatic actuation
  • Open/close or modulating service
  • Automated valves have selectable failure position
 

Product Information >>

   

 

Size
Code
Press
Code
Disc
Type
Size
(in)
Pressure
Rating
Max Ori
Size
A
(in)
B
(in)
C
(in)
E
(in)
F
(in)
G
(in)
H
(in)
I
(in)
10 37 D1 1 3705 MOP 30/64 4.00 3.47 1 1.59 0.75 0.79 0.42 4 x .250-20 (0.80 x 2.75 REC)
10 50 D1 1 5000 MOP* 30/64 4.00 3.47 1 1.59 0.75 0.79 0.42 4 x .250-20 (0.80 x 2.75 REC)
20 37 D2 2 3705 MOP 58/64 5.00 4.73 2 0.71 0.86 0.92 0.75 6 x .250-20 (0.80 x 2.75 REC)**
20 37 D6 2 3705 MOP 91/64 5.00 4.73 2 0.71 0.86 0.92 0.75 6 x .250-20 (0.80 x 2.75 REC)**
20 50 D2 2 5000 MOP 58/64 5.00 4.73 2 0.71 0.86 0.92 0.75 6 x .250-20 (0.80 x 2.75 REC)**
20 50 D6 2 5000 MOP 91/64 6.00 6.23 2 1.19 1.12 1.51 0.75 4 x .375-16 (2.50 BCD)
*not available in stainless steel **also available as 1.75 BCD

 

In order to consistently offer you the highest quality, fully engineered products, we reserve the right to change our specifications and designs at any time. Cyclonic Valve products and the Cyclonic logo are registered and/or common law trademarks of Cyclonic Valve Company. This document, including textual matter and illustrations, is copyright protected by Cyclonic Valve Company, with all rights reserved ©2017 Cyclonic Valve Company.