pressure sealed globe valve

Introduction

A Pressure Seal Globe Valve is a high-performance valve designed for applications involving high pressure and temperature. It features a pressure seal bonnet construction, which enhances sealing capabilities as system pressure increases, ensuring leak-free operation even under extreme conditions. Constructed from durable cast steel, this valve offers exceptional strength, corrosion resistance, and longevity, making it ideal for critical industrial systems.

The globe valve's design provides precise flow control and excellent throttling capabilities, making it a preferred choice for applications requiring reliable performance and safety. Its robust construction and advanced sealing mechanism make it indispensable in industries such as power generation, oil and gas, chemical processing, and petrochemical plants.

Applications

Pressure Sealed Globe Valve is trusted across various industries for its precision, durability, and reliability. Explore its wide-ranging applications below:

Power Generation

Used in high-pressure steam and feedwater systems in thermal and nuclear power plants to regulate flow and maintain system safety.

Oil & Gas

Handles high-pressure flow control in pipelines and refining systems for crude oil, natural gas, and processed fuels, ensuring reliable performance in demanding environments.

Chemical Processing

Employed in systems dealing with high-pressure and high-temperature chemicals, providing precise flow regulation and secure sealing to prevent leaks.

Industrial Manufacturing

Used in manufacturing processes requiring high-pressure flow control of steam, water, or other process fluids, offering durability and efficiency.

Petrochemical Plants

Essential for high-pressure flow control in petrochemical processes, ensuring the safety and efficiency of operations under extreme conditions.

Dimensional Detail

Applicable Standards

STEEL GLOBE VALVES, BS EN 13709, BS 1873
STEEL VALVES, ASME B16.34
FACE TO FACE, ASME B16.10
END FLANGES, ASME B16.5
BUTTWELDING ENDS, ASME B16.25
INSPECTION AND TEST API598

Design Description

PSB, PRESSURE SEAL BONNET
OS & Y, OUTSIDE SCREW AND YOKE
BB, BOLTED BONNET
RENEWABLE SEAT RING
RISING STEM AND HANDWHEELE
FLANGED OR BUTTWELDING ENDS
AVAILABLE WITH GEAR OPERATOR

Materials of Parts

No	Part Name	ASTM Material
No	Part Name	CS		1^1/4Cr-1/2Mo	Stainless Steel
1	Body	A216-WCB	A352-LCB	A217-WC6	A351-CF8	A351-CF8M
2	Yoke	A216-WCB	A352-LCB	A217-WC6	A351-CF8	A351-CF8M
3	Disc	A105 +HF	A350-LF2 +HF	A182-F11 +HF	A182-F304 +HF	A182-F316 +HF
4	Stem	A182-F6a	A182-F6a	A182-F11	A182-F304	A182-F316
5	Seat ring	A105 +HF	A350-LF2 +HF	A182-F11 +HF	A182-F304 +HF	A182-F316 +HF
6	Bonnet	A105	A352-LF2	A182-F11	A182-F304	A182-F316
7	Gasket	Spiral wound (Graphite +304)		Spiral wound (Graphite +304)
8	Adaptor	Carbon Steel		A276-420	A276-304	A276-316
9	Retainer Ring	Carbon Steel		A276-420	A276-304	A276-316
10	Yoke Cap	Carbon Steel			Stainless Steel
11	Bonnet Stud	A193-B7	A320-L7	A193-B7	A193-B8	A193-B8
12	Bonnet Nut	A194-2H	A194-4	A194-2H	A194-8	A194-8
13	Packing	Graphite
14	Gland	A182 F6a	A182F6a	A182-F6a	A182-F304	A182-F316
15	Glad Flange	A216-WCB	A216 WCB	A216-WCB	A351-CF8	A351-CF8
16	EyeBolt Pin	Carbon Steel	Carbon Steel	A276-420	A276-304	A276-316
17	EyeBolt	A193-B7	A320-L7	A193-B16	A193-B8	A193-B8
18	EyeBolt Nut	A194-2H	A194-4	A194-7	A194-8	A194-8
19	Grease Fitting	Brass-Bronze
20	Yokesleeve	Aluminium-Bronze
21	Yokesleeve Jam Nut	Carbon Steel
22	Handwheel	Malleble Iron
23	Handwheel Nut	Carbon Steel

NOTE :

Graphite Optional
Ductile Ni-Resist optional
Wedge and seat ring may either be solid facing material or a base material equal to or better than the body/bonnet material with facing as shown

Dimensions Data ANSI Class 900Lb

NPS	2	2^1/2	3	4	6	8	10	12	in
DN	50	65	80	100	150	200	250	300	mm
L₁BW	8.50	10.00	12.00	14.00	20.00	26.00	31.00	36.00	in
L₁BW	216	254	305	356	508	660	787	914	mm
LRF	14.50	16.50	15.00	18.00	24.00	29.00	33.00	38.00	in
LRF	368	419	381	457	610	737	838	965	mm
L₂RTJ	14.62	16.62	15.12	18.12	24.12	29.12	33.12	38.12	in
L₂RTJ	371	422	384	460	613	740	841	968	mm
HOpen	22	22	22	27	36.38	43.38	50.62	57	in
HOpen	557	557	557	685	925	1100	1285	1450	mm
Do	16	16	16	16	28	28	36	36	in
Do	400	400	400	400	700	700	900	900	mm
Wt(kg)	46	53	68	100	270	450	740	1150	BW
Wt(kg)	75	82	95	135	355	680	1050	1480	RF/RTJ

Dimensions Data ANSI Class 1500Lb

NPS	2	2/	3	4	6	8	2	2/	3	4	6	in
DN	50	65	80	100	150	200	50	65	80	100	150	mm
L1 (BW)	8.50	10.00	12.00	16.00	22.00	28.00	11.00	13.00	14.50	18.00	24.00	in
L1 (BW)	216	254	305	406	559	711	279	330	368	457	610	mm
L(RF) L2	14.50	16.50	18.50	21.50	27.75	32.75	17.75	20.00	22.75	26.50	36.00	in
L(RF) L2	368	419	470	546	705	832	451	508	578	673	914	mm
(RTJ)	14.62	16.62	18.62	21.62	28.00	33.12	17.88	20.50	23.00	26.88	36.50	in
(RTJ)	371	422	473	549	711	842	454	514	584	683	927	mm
H (Open)	22	22	24.38	30	44.62	54.75	23.38	23.38	28	32.25	49.62	in
H (Open)	557	557	620	760	1135	1390	595	595	710	820	1260	mm
Do	16	18	20	24	28	36	16	20	24	28	36	in
Do	400	450	500	600	700	900	400	500	600	700	900	mm
Wt(kg)	57	65	90	190	450	730	65	78	125	155	480	BW
Wt(kg)	86	112	162	240	580	950	115	136	205	275	860	RF/RTJ