Model-1 Screwed End Valves

 

Features:

 

Absolutely no maintenance
No gland tightening
No lubrication
No adjustment of any kind
Full opening with no significant pressure drop
Lowest operating torque in the industry
Steel --- Safety
Directional solidification weld ends meeting rigid code requirements
100% full rating seat testing, 150% full rating shell testing
Patented  packing ---- No environmental leakage
Back seat with full containment of pressure below packing with no environmental leakage
Patented design
 

Specifications:

 

2 inch operation square malleable iron
Buna "N" "O" rings and "V" rings
Brass packing adapter
Steel packing gland cover
Malleable iron bonnet on 500 WOG ( Steel optional )
Steel bonnet ASTM A-216 grade WCB on 720 WOG
Stainless steel stem
Alloy steel cap screws --- ASTM A-574
Soft iron bonnet gasket ( Refinery gasket --- Fire proof )
Treads --- FPT per ANSI B21
 

Dimensions:

Size
(in)
End to End
(in)
C/L to Top
(in)
Number
of Turns
 Temperature
(Fahrenheit)
  2 6-3/4 8-3/4

7-1/4

    - 30 degrees 
   to 
    200 degrees

 

 Ordering Code Table
Size
(in)
Valve 
No.
Pressure
Weight
    2  1S5     500 WOG        27 lb
    2  1S7   300 ANSI   720 WOG        27 lb
 

 

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M&M Control Service, Inc.
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