1400 Series Specifications


Inlet Sizes ½”, ¾”, 1″
Outlet Sizes ¾”, 1″
Orifice Diameter, in (mm) 0.160 (4)
Orifice Area, in2 (mm2) 0.020 (13)
Orifice Letter B
ASME “Slope” (Gas) 0.291
Equivalent Flow Coefficient “K” (Gas) 0.7937
Pressure Range, psig (kPag) 500 to 6000
(3447 to 41368)
Std Temp Range, °F (°C) -20 to 400 (-29 to 204)

1400 Series Dimensions and Weights


Dimensions
Inlet Code
Inlet Size & Type
Maximum Set Pressure
psig(kpag)
A
B
C
Approx Weight lbs (kg)
1 ½” NPT FEMALE 6000 (41368) 2716 (62) 1⅝ (41) 6⅛ (156) 4.25 (1.9)
2 ¾” NPT FEMALE 6000 (41368) 2716 (62) 1⅝ (41) 6⅛ (156) 4.25 (1.9)
3 1″ NPT FEMALE 6000 (41368) 21316 (71) 1⅝ (41) 6½ (165) 4.00 (1.8)
4 ¾” NPT MALE 6000 (41368) 3316 (81) 1⅝ (41) 6⅞ (175) 4.25 (1.9)
5 1″ NPT MALE 6000 (41368) 3316 (81) 1⅝ (41) 6⅞ (175) 4.50 (2.0)
6 SAE J1926-1 ¾-16 PORT 6000 (41368) 2716 (62) 1⅝ (41) 6⅛ (156) 4.25 (1.9)
7 SAE J1926-1 1116-12 PORT 6000 (41368) 2716 (62) 1⅝ (41) 6⅛ (156) 4.25 (1.9)
8 SAE J1926-1 1516-12 PORT 6000 (41368) 21316 (71) 1⅝ (41) 61/2 (165) 4.85 (2.2)
9 SAE J518 ¾ CODE 62 6000 (41368) 4316 (106) 1⅝ (41) 7⅞ (200) 5.0 (2.26)
Note: Mercer valve reserves the right to change product designs and specifications without notice.

1400 Series Selection Table


1400 Product Numbering Key
INLET
A (See Selection Table above)
B OUTLET
2 – ¾” NPT FEMALE
3 – 1” NPT FEMALE
ORIFICE SIZE
C B – 0.20 inORIFICE AREA
D INLET BASE/BODY MATERIAL
7 – 316 STAINLESS STEEL
E CAP TYPE
1 – CLOSED TOP
3 – CLOSED LIFT LEVER
F SEAT MATERIAL
1 – FLUOROCARBON (FKM) ED & EXTRUSION RESISTANT
2 – BUNA N (LOW TEMP)
3 – EPDM 962-90
4 – PEROXIDE CURED BUNA
5 – VESPEL®
G SPRING CODE
ASSIGNED BY MERCER
H TRIM MATERIALS
X – GAS SERVICE
NX – SOUR GAS SERVICE
I
O-RING MATERIALS
1 – FLUORCARBON (FKM) ED & EXTRUSION RESISTANT
2 – BUNA N (LOW TEMP)
3 – EPDM 962-90
4 – PEROXIDE CURED BUNA
J
TWO DIGIT SPECIAL CODE
ASSIGNED BY MERCER IF APPLICABLE