Forged Steel Gate, Globe & Check Valves

1. Product Overview

Parameter	Specification
Product	Supreme Valves Forged Steel Gate, Globe & Check Valves
Size range	8 mm – 50 mm (1/4" – 2") reduced bore; 3/8" – 1½" full bore
Pressure class	ASME 150, 300, 600, 800, 1500, 2500
Design standards	API 602 · BS 5352 · BS 6364 (cryogenic) · ASME B16.34 · MSS SP 84 (Y-pattern)
Test standard	API 598
End connections	Screwed NPT (ASME B1.20.1) · Socket-weld (ASME B16.11) · Flanged RF (ASME B16.5) · Butt-weld (BS 5352 Annex D)
Product page	forged-steel-gate-globe-check-valves-api-602.html

2. Bore Designations

Code	Definition
RB	Reduced bore — BS 5352 reduced bore / API 602 standard port
FB	Full bore — BS 5352 standard bore
SP	Standard port — API 602 standard port (Class 1500 SW)

3. Compliance Matrix

Valve type	Design	Face-to-face	Ends	Testing
Gate	API 602 / ASME B16.34	ASME B16.10 / BS 2080	NPT · SW · RF	API 598
Globe & Check	BS 5352 / API 602*	ASME B16.10 / BS 2080	NPT · SW · RF · BSP	API 598
Cryo gate/globe	BS 6364	Per gate/globe class	SW / NPT	API 598
Y-globe / Y-check	BS 5352 / ASME B16.34	MSS SP 84	NPT · SW · BW	API 598
Bellows gate/globe	BS 5352	Per Class 800 gate/globe	NPT · SW	API 598

*Full bore conforms to ASME B16.34. Class 800 rating per API 602/BS 5352; Classes 150–2500 per ASME B16.34.

4. Socket-Weld Fitting Class Match

Valve	ASME B16.11 fitting class
SW Class 800 RB	Class 3000 (Sch.80 / XS)
SW Class 800 FB	Class 6000 (Sch.160)
SW Class 1500 SP	Class 9000 (Sch.XXS)

5. Trim Materials (API 602)

Trim	Types	Stem	Disc	Body seat
01	Gate	A479 T410	13% Cr	13% Cr
05	Gate, Globe, Check	A479 T410 HF	Stellite #6 HF	HF
08	Gate, Globe, Check	A479 T410	13% Cr	HF
02	Gate	A479 T304	304 SS	304 SS
10	Gate	A479 T316	316 SS	316 SS
12	Gate, Globe, Check	A479 T316	316 HF	HF
15	Gate, Globe, Check	A479 T304	304 + HF	HF
16	Gate, Globe, Check	A479 T316	316 + HF	HF

6. Body & Trim Combinations

Body	Typical trim numbers
ASTM A105	01 / 05 / 08
A182 F5, F9, F11, F22	05 / 08
A182 F304	02 / 15
A182 F316	10 / 12 / 16
A350 LF2	08 / 16

Also available: F316L, F304L, F347, Monel. HF = cobalt-chromium-tungsten (Stellite #6).

7. API 598 Test Pressures — A105 / LF2 (psi / kg/cm²)

Gate & Globe

Class	Shell	Back seat	Seat closure (HP)	Seat (air)
150	450 / 32	315 / 22	315 / 22 (globe)	90 / 6.3
300	1125 / 79	815 / 57	815 / 57	90 / 6.3
600	2225 / 156	1630 / 115	1630 / 115	90 / 6.3
800	3000 / 211	2200 / 155	2200 / 155	90 / 6.3
1500	5575 / 392	4080 / 287	4080 / 287	90 / 6.3

Check (seat closure only — no back seat)

Class	Shell	Seat closure HP	LP closure
150	450 / 32	80 / 6	25% of HP
300	1125 / 79	210 / 15	25% of HP
600	2225 / 156	410 / 29	25% of HP
800	3000 / 211	550 / 39	25% of HP

For F5/F9/F11/F22/F304/F316/F304L/F316L bodies, substitute working pressures from ASME B16.34 tables.

8. Working Pressure — Shell & Seat (psi) by Material

Class	A105 shell/seat	F11,F22 shell/seat	F304,F316 shell/seat	F304L,F316L shell/seat
150	450 / 320	425 / 305	350 / 255	—
300	1125 / 825	1100 / 795	900 / 660	—
600	2250 / 1650	2175 / 1585	1800 / 1320	—
800	3000 / 2200	2900 / 2115	2400 / 1760	—
1500	5625 / 4125	5400 / 3960	4500 / 3300	—

9. Bill of Materials — Class 800 Gate (Typical A105, Trim 08)

#	Part	Material
1	Body	ASTM A105
2	Bonnet	ASTM A105
3	Stem	A479 Type 410
4	Wedge disc	A217 Gr. CA15
5	Body seat ring	A276 Type 410
6	Packing	Graphite moulded + braided end rings
7	Gasket	Spiral-wound SS304 + graphite
8–11	Bolting, gland	A193 B7 / A194 2H / A276 410
12	Yoke sleeve	A582 Type 416

10. Dimensions — Class 800 Gate (Screwed/SW, inches)

Size	A	B RB	B FB	øD	E min	øF RB	øF FB	Wt RB	Wt FB
1/2 (15)	3.15	6.0	6.2	1/2	0.855	0.38	0.50	1.6	2.0
3/4 (20)	3.35	6.2	7.5	3/4	1.065	0.50	0.71	2.0	3.1
1 (25)	3.94	7.5	10.0	1	1.330	0.71	0.94	3.1	6.1
1¼ (32)	4.70	10.0	10.0	1¼	1.675	0.94	1.19	6.1	6.0
1½ (40)	4.70	10.0	11.4	1½	1.915	1.19	1.44	6.0	9.1
2 (50)	5.12	11.4	—	2	2.406	1.44	—	9.1	—

11. Dimensions — Class 800 Globe (Screwed/SW, inches)

Size	A	B RB	B FB	øD	E	øF RB	øF FB	Wt RB	Wt FB
1/2	3.20	5.8	6.4	1/2	0.855	0.38	0.50	1.7	2.4
3/4	4.00	6.4	7.7	3/4	1.065	0.50	0.69	2.4	3.6
1	4.85	7.7	9.6	1	1.330	0.69	0.94	3.6	6.8
1½	6.40	9.6	11.6	1½	1.915	1.17	1.44	6.7	10.8
2	8.80	11.6	—	2	2.406	1.44	—	10.8	—

12. Dimensions — Class 800 Check (Screwed/SW, inches)

Size	A	B	C	øD	E	øF	Wt
1/2	3.20	4.00	2.1/2.3	1/2	0.855	0.50	1.5
1	4.85	6.40	2.6/3.5	1	1.330	0.94	4.4
2	8.80	—	4.1	2	2.406	1.44	6.8

Minimum 1 bar differential required for check valve operation.

13. Cryogenic Class 800 — Extension Lengths (inches)

Size	Gate A	Gate B RB/FB	Extension C	Globe extension
1/2	3.94	3.20 / 4.00	17.1	16.2 / 16.7
1	3.94	4.85 / 6.40	17.1–20.7	17.0 / 20.0
2	5.12	8.80	22.1	21.8

Cryogenic gate/globe also available Class 150, 300, 600, 1500 — dimensions generally match corresponding straight-pattern valves.

14. Y-Pattern Globe/Check — Class 1500 & 2500 (mm)

See Y-pattern product page. Globe 15 mm Class 1500: A=97.5, B=220, C=21.72, D=9.7, E=½"-14 NPT, Wt≈22 kg. Check 15 mm Class 1500: A=97.5, B=71, Wt≈2 kg.

15. Ordering — Straight-Pattern

Field	Codes
Size	1/4" – 2" (RB) · 3/8" – 1½" (FB)
Type	2 Gate · 5 Globe · 8 Check
Class	1=150 · 3=300 · 6=600 · 8=800 · 5=1500 · 25=2500
End	1 NPT · 2 SW · 3 Flanged · 4 BSP parallel · 5 BSP taper · 3 BW
Options	FB · WB · BS (bellows) · CR (cryo) · LA · E (actuator) · IBR · SPL

16. Ordering — Y-Pattern

Field	Codes
Size (mm)	15 · 20 · 25 · 40 · 50
Type	GLOBE · CHECK
Class	15 = 1500 · 25 = 2500
End	4 NPT · 5 SW · 3 BW
Bonnet	6 screwed · 7 seal-welded (globe) · 8/9 cap (check)

17. Salient Features

• Bolted body-bonnet to Class 800; welded bonnet optional
• Class 1500: seal-welded body-bonnet standard
• Bellows-sealed Class 800 gate/globe — SS316L bellows, zero stem leakage
• Spiral-wound SS gasket, graphite packing with Inconel reinforcement
• T-head stem-disc; ACME stem; integral HF seats on globe/check
• Spring-loaded check — horizontal or vertical
• NACE MR-0175 · IBR · electrical actuators on request

18. Contact