Source pressure

vacuum to 3,500 psig (241 bar)

Delivery pressure AP 1901                       AP 1902                         AP 1906                       AP 1910                        AP 1915

1 to 10 psig (0.07 to .7 bar)
1 to 30 psig (0.07 to 2 bar)
2 to 60 psig (0.14 to 4 bar)
2 to 100 psig (0.14 to 7 bar)
5 to 150 psig (.34 to 10 bar)

Proof pressure

150% of operating pressures

Burst pressure

300% of operating pressures

Other Parameters

Inlet/outlet connectors

1/4, 3/8 or 1/2 inch face seal or tube weld

Bonnet port

1/8 inch NPT

Flow coefficient (Cv)

0.13 (HF = 0.16)

Internal volume

0.82 in3 (13.5 cm³)

Operating temperature

﹣40° to +160°F (-40° to +71°C)

Surface finish

15 µin Ra max / 10 µin. Ra avg.
(0.4/0.25 µm) standard; 10 µin (0.25 µm);
7 µin (0.18 µm); and 5 µin (0.13 µm) Ra max optional

Inboard leakage

2 x 10-10 sccs

Outboard leakage

2 x 10-9 sccs He at 1,500 psig inlet pressure

Leakage across seat

4 x 10-8 sccs He at 1,000 psig inlet pressure

Installation

surface or panel (optional)

Supply pressure effect
HF

0.25 psig per 100 psig source pressure change
0.6 psig per 100 psig source pressure change