Name: Let Down High Temperature Valve (66000 Series)
Brand: PSM Valve
SKU: 66000

Back to Products

Let Down High Temperature Valve (66000 Series)

High Temperature Valves

Request Quote Download Datasheet

General Data

Size: 6 – 24 inch
Pressure Class: Class 150 – 2500
Body Material: A105 / A182-F12 / A182-F22 / A182-F91 (body, inlet and outlet)
Trim Material: Seat: A182-F22 / A182-F91; Stem/plug: AlSl61
End Connection: Butt Weld / Flanged
Industries & Customers: Oil & gas, petrochemical, power plants

Catalogue Cv curve & tableEngineering estimate

Cv vs opening percentage — PSM reference catalogue data

Select size

Rated Cv 444.2NPS 6"Characteristic Equal %Cv ratio at 50% 0.241Rangeability 40Confidence lowBack-test error ±45%

Opening %	Cv	% of rated
10	11.1	2%
20	25.3	6%
30	39.1	9%
40	72.8	16%
50	107	24%
60	165	37%
70	247	56%
80	332	75%
90	398	90%
100	444	100%

This table is not manufacturer measured data: Cv comes from the scaling law fitted to the measured series (back-test error ±45%, confidence low). Confirm with PSM engineering before ordering.

Size this valve