Key Description Part Number
22 Hex Nut (12 required)
Zinc-plated steel 1A309324122
Stainless steel 1A309338992
23 Spring Case
Cast Iron 2B155719042
Steel 34B2157X012
Stainless steel 34B2157X042
Aluminum (setpoint under 1.2 psi / 0.08 bar) AE6180X0012
Aluminum (setpoint over 1.2 psi / 0.08 bar) AE6180X0032
25* Disk Assembly
Stainless steel disk holder with
Nitrile (NBR) disk
1/2 in. / 13 mm orice and smaller 1A8431000B2
3/4 in. / 19 mm orice and larger 1C7831X0072
Fluorocarbon (FKM) disk
1/2 in. / 13 mm orice and smaller 1A8431X0072
3/4 in. / 19 mm orice and larger 1C7831X0092
Polytetrauoroethylene (PTFE) disk
1/2 in. / 13 mm orice and smaller 1A8431X0092
3/4 in. / 19 mm orice and larger 1C7831X0112
Ethylenepropylene (EPDM) disk
1/2 in. / 13 mm orice and smaller 1A8431X0182
Stainless steel disk holder with
Neoprene (CR) disk (NACE)
1/2 in. / 13 mm orice and smaller 1A8431X0132
3/4 in. / 19 mm orice and larger 1C7831X0152
Stainless steel disk holder with
Fluorocarbon (FKM) disk (NACE)
1/2 in. / 13 mm orice and smaller 1A8431X0142
3/4 in. / 19 mm orice and larger 1C7831X0162
Stainless steel disk holder with FFKM disk (NACE)
1/2 in. / 13 mm orice and smaller 1A8431X0162
3/4 in. / 19 mm orice and larger 1C7831X0202
Stainless steel disk holder with PTFE disk (NACE)
1/2 in. / 13 mm orice and smaller 1A8431X0192
3/4 in. / 19 mm orice and larger 1C7831X0212
Stainless steel disk holder with EPDM disk (NACE)
1/2 in. / 13 mm orice and smaller 1A8431X0202
3/4 in. / 19 mm orice and larger 1C7831X0222
27 Orice
Stainless Steel
1/4 in. / 6.4 mm 0L087835032
3/8 in./ 9.5 mm 0H082535072
1/2 in. / 13 mm 0L040135032
3/4 in. / 19 mm 1A832335072
1 in. / 25 mm 1A832435072
1-3/16 in. / 30 mm 1C783435072
Stainless steel (NACE)
1/4 in. / 6.4 mm 0L0878X0012
3/8 in. / 9.5 mm 0H0825X0012
1/2 in. / 13 mm 0L0401X0012
3/4 in. / 19 mm 1A8323X0012
1 in. / 25 mm 1A8324X0012
1-3/16 in. / 30 mm 1C7834X0012
28 Body
NPT
Cast iron
NPS 1-1/2 in. / DN 40 size 1B403619012
NPS 2 in. / DN 50 size 1B403719012
Key Description Part Number
28 Body (continued)
Steel
NPS 1-1/2 in. / DN 40 size 2L244522012
NPS 2 in. / DN 50 size 2L243322012
Stainless steel
NPS 1-1/2 in. / DN 40 size 2L244533092
NPS 2 in. / DN 50 size 2L2433X00A2
Socket Weld End
NPS 1-1/2 in. / DN 40 size 2E2291X0012
NPS 2 in. / DN 50 size 2H562322012
CL150 RF Flanged
Steel
NPS 1-1/2 in. / DN 40 size 14B3208X262
NPS 2 in. / DN 50 size 14B3208X012
NPS 1-1/2 in. / DN 40 size (NACE) 14B3208X252
NPS 2 in. / DN 50 size (NACE) 14B3208X202
Stainless steel
NPS 1-1/2 in. / DN 40 size 14B3208X272
NPS 2 in. / DN 50 size 14B3208X042
CL300 RF Flanged
Steel
NPS 1-1/2 in. / DN 40 size 14B3208X022
NPS 2 in. / DN 50 size 14B3208X032
NPS 1-1/2 in. / DN 40 size (NACE) 14B3208X242
NPS 2 in. / DN 50 size (NACE) 14B3208X162
CL300 RF Flanged
Stainless steel
NPS 1-1/2 in. / DN 40 size 14B3208X052
NPS 2 in. / DN 50 size 14B3208X062
EN PN 16/25/40RF
Steel
NPS 1-1/2 in. / DN 40 size 14B3208X072
NPS 2 in. / DN 50 size 14B3208X082
NPS 1-1/2 in. / DN 40 size (NACE) 14B3208X222
NPS 2 in. / DN 50 size (NACE) 14B3208X232
Stainless steel
NPS 1-1/2 in. / DN 40 size 14B3208X092
NPS 2 in. / DN 50 size 14B3208X102
29 Pipe Plug See Table 4
30 Diaphragm Cap Screw See Table 4
35* Closing Cap Gasket, Neoprene (CR) 1N446206992
44 Upper Spring Seat See Table 4
46 Valve Disk Washer
3/4 in. / 19 mm orice and over only
Stainless steel 0X014635032
Stainless steel (NACE) 0X0146X0012
47 Machine Screw
3/4 in. / 19 mm orice and over only
Stainless steel (also NACE) 19A7151X022
51 Drive Screws (4 required) - - - - - - - - - - -
56 Vent Assembly, Plastic
Type Y602-1 for down-pointing
Spring case 17A6570X012
71 Bushing, Steel 1A3424X0042
74 Pitot Tube, Stainless steel (also NACE) 1C947138082
80 Lubricant, Dow Corning 33, 10 oz. tube - - - - - - - - - - -
93 Hex Nut (see Figure 5) See Table 4
*Recommended Spare Parts
8
Type Y692