Operating Temperature Regulators - Type DB & DS Double Seat, Balanced Owner's manual
13
VALVE PARTS DIRECT ACTING
Item Description 1" 1-1/4" 1-1/2" 2" Qty Material
20-30 Valve Assembly Refer to Order Code 1
20 Bonnet 594 499 594 499 594 594 456 1 Brass
21 O-ring 084 008 084 008 084 009 084 010 1 Silicone
Gasket (non asbestos) — — — — 1 Gasketing
Gasket (non asbestos) — — — — 2 Material*
22 Stem Head Retainer 603 012 603 012 603 012 — 1 Brass
Stem Head Retainer — — — 612 100 1 416 SS
23 Spacer Bushing (DB) 609019C 609 019 609019A 609019C 1 Brass
Spacer Bushing (DS) 609019C 609019C 609019C 609019A 1 Brass
23 Valve Stop Sleeve (DB) — — — — 1 Brass
Valve Stop Sleeve (DS) — — — — 1 Brass
24 Poppet Assy (DB) 603 003 604 003 605 003 594 354 1 (See Specs)
Poppet Assy (DS) 591 948 591 949 591 950 591 951 1 (See Specs)
26 Body/Seat Assy (DB) 594 509 594 494 594 482 594 461 1 (See Specs)
Body/Seat Assy (DS) 594 511 594 496 594 483 594 463 1 (See Specs)
27 Union Tail Piece 609 003 610 003 611 003 — 2 Brass
Union Tail Piece — — — 590 233 2 Bronze
28 Union Nut 609 004 610 004 611 004 590 234 2 Bronze
28 Screw — — — — 4 SS
Screw — — — — 8 SS
29 Valve Cap — — — — 1 (See Specs)
29a Blind Cap — — — — 1 Iron
29b Top Cap — — — — 1 Iron
30 Stem Assembly 594816E 594816E 594816E 594817A 1
VALVE PARTS REVERSE ACTING
Item Description 1" 1-1/4" 1-1/2" 2" Qty Material
20-30 Valve Assembly Refer to Order Code 1
20 Bonnet 594 499 594 499 594 594 456 1 Brass
21 O-ring 084 008 084 008 084 009 084 010 2 Silicone
21 Gasket — — — — 2 *
22 Stem Head Retainer 603 012 603 012 603 012 — 1 Brass
Stem Head Retainer — — — 612 100 1 416 SS
23 Valve Stop Sleeve (DB) 601 090 601 091 601 093 590 328 1 Brass
Valve Stop Sleeve (DS) 601 090 601 091 601 092 590 329 1 Brass
23a Anti- Spin Sleeve (DB) — — — — 1 Zn pltd Steel
Anti- Spin Sleeve (DS) — — — — 1 SS
23b Dowel Pin — — — — 1 Cd pltd Steel
23c Screw (1/4-20-x 1/4) — — — — 1 Steel
24 Poppet Assy (DB) 603 003 604 003 605 003 594 354 1
Poppet Assy (DS) 591 948 591 949 591 950 591 951 1
26 Body/Seat Assy (DB) 594 510 594 495 594 482 594 461 1
Body/Seat Assy (DS) 594 512 594 497 594 485 594 464 1
27 Union Tail Piece 609 003 610 003 611 003 — 2 Brass
Union Tail Piece — — — 590 233 2 Bronze
28 Union Nut 609 004 610 004 611 004 590 234 2 Bronze
28 Screw — — — — 4 SS
Screw — — — — 8 SS
29 Valve Cap 594 510 591 781 594 472 594 466 1 Brass
29a Blind Cap — — — — 1 Iron
29b Top Cap — — — — 1 Iron
30 Stem Assembly 594816E 594816E 594816E 594817A 1