Parr Instrument 4703, Operating Instructions Manual, Page: 32 / 36

General Purpose Pressure Vessels
P a r r I n s t r u m e n t C o m p a n y
32
4316 & 4317 GAGE BLOCK ASSEMBLIES
Gage Block Parts List
Part No. Description
112VB4AK Valve needle
123VB2 Valve handle
126VB Lantern ring for high temp service (Use w/4VB4KL packing w/out 20VB)
20VB Valve seat, Kel-F
21VBAA Lantern ring (see also 126VB)
302VBAD Tube connector, 1/4"NPT (F) x 3/8 OD tube
325HC Compression Nut
326HC Compression nut for 3/8" tube
35HC Compression nut, short
365HC Connecting tube, 3/8" OD x 3” length
366HC Collar, L.H. thread, 3/8" tube
4VB3 Packing ring, PTFE (2 required)
4VB4KL Packing ring, Flexible Graphite
40HC Collar, L.H. thread
427HC Gage block, bare
433HC4 Rupture disc nut
49HC2 Orifice, cone bottom
51HC Connecting tube, 1/4" OD x 3-1/4"
A888HC2 Rupture Disc Assembly and Series 526HC Rupture Discs, Alloy 600 (See Manual 231M)
Part No. Description
526HCPD 1000 psi
526HCPF 2000 psi
526HCPG 3000 psi
526HCPH 5000 psi
526HCPJ 8000 psi
526HCPL 12000 psi
A888HC2 Rupture Disc Assembly
49HC2 Orifice Cone
527HC Orifice ring
433HC4 Safety Head Outlet