Name: Trunnion Mounted Ball Valve Q47 Flanged WCB/CF8 Manual Operated - VALVEHU, Leading Valve Manufacturer and Supplier in China
SKU: HU32

Description

Contents hide

1 Buy Flanged Trunnion Mounted Ball Valve Q47 Series PN1.6–6.4MPa Carbon Steel Manual Type

1.1 Technical Specifications

1.2 Main Component Materials

1.3 Application Scope

1.4 Main Overall Dimensions and Connection Sizes (Unit: mm)

1.5 Main Dimensions and Connection Sizes (Unit: mm)

1.6 FAQ

Buy Flanged Trunnion Mounted Ball Valve Q47 Series PN1.6–6.4MPa Carbon Steel Manual Type

The High Temperature Flanged Ball Valve by VALVEHU is a premium-grade industrial valve engineered for demanding thermal environments. Designed to handle pressures from PN1.0 to PN4.0MPa and temperature ranges between 250°C and 400°C, this valve offers exceptional performance and durability across a wide range of industrial applications including steam, thermal oil, condensate systems, and chemical processes.

This model (QQ41/QZ41/QJ41SM) utilizes an integrated forged steel body, offering superior strength and thermal resistance. The seat is manufactured with reinforced graphite or other high-strength alloys, ensuring excellent sealing, wear resistance, corrosion resistance, and superior elasticity recovery. Its robust sealing structure ensures low friction operation and extends the service life of the valve up to 3 to 5 times that of conventional ball valves.

With full-bore and reduced-bore options available and face-to-face dimensions compliant with international standards, this flanged-end valve is perfectly suitable for replacing conventional gate and globe valves in high-pressure and high-temperature systems. Its simple one-piece structure minimizes leakage points while maintaining high flow capacity and reliable shutoff.

If you’re searching for a reliable and long-lasting solution for high-temperature and high-pressure applications, this industrial-grade ball valve is your go-to option. For inquiries, technical guidance, or to explore customized configurations, feel free to reach out to the experts at VALVEHU in China — we’re here to support your engineering needs with precision and reliability.

Technical Specifications

Model: QQ41/QZ41/QJ41SM
Pressure Rating: PN1.0 to PN4.0 MPa
Temperature Range: 250°C to 400°C
Body Type: One-piece forged steel
Connection Type: Flanged ends
Sealing Material: Reinforced graphite seat
Structure Type: Reduced bore
Service Life: 3 to 5 times longer than standard valves
Application Media: Steam, thermal oil, acidic media, condensate
Standard Compatibility: Designed for gate and globe valve replacement

Main Component Materials

Component	Standard	WCB	ZG1Cr18Ni9Ti	ZG0Cr18Ni12Mo2Ti	ZG15Cr1Mo1V
Body, Bonnet	GB	WCB	ZG1Cr18Ni9Ti	ZG0Cr18Ni12Mo2Ti	ZG15Cr1Mo1V
	ASTM	A216WCB	CF8	CF8M	WC9
Ball	GB	2Cr13 / Surface Treated	1Cr18Ni9Ti / Surface Treated	0Cr18Ni12Mo2Ti / Surface Treated	25Cr2Mo1V / Surface Treated
	ASTM	420 + HF	304 + HF	316 + HF	F22a + HF
Stem, Trunnion Shaft	GB	2Cr13	1Cr18Ni9Ti	0Cr18Ni12Mo2Ti	25Cr2Mo1V
	ASTM	420	304	316	F22a
Seat	GB	2Cr13	1Cr18Ni9Ti	0Cr18Ni12Mo2Ti	25Cr2Mo1V
	ASTM	420	304	316	F22a
Sealing Material	GB	—	Flexible Graphite	Flexible Graphite	Flexible Graphite
	ASTM	—	Flexible Graphite	Flexible Graphite	Flexible Graphite
Stud Bolt	GB	35	0Cr18Ni9	0Cr18Ni9	15Cr1Mo1V
	ASTM	A193 B7	A320-B8	A320-B8	A193 B16
Nut	GB	45	0Cr18Ni9	0Cr18Ni9	20CrMo
	ASTM	A1942H	A194-8	A194-8	A194-4

Application Scope

Body Material Type	Working Temperature	Applicable Medium
Carbon Steel (Type C)	≤425°C	Water, Steam, Oil, etc.
Stainless Steel (Type P)	≤200°C	Acidic Media
Stainless Steel (Type R)	≤200°C	Acidic Media
Stainless Steel (Type I)	≤550°C	Steam, Heat Transfer, Energy Sources

Main Overall Dimensions and Connection Sizes (Unit: mm)

Nominal Pressure PN (MPa)	Nominal Diameter DN (mm)	L	D	K	d	Y	b	Z-Φd	Ws	Hs	Hw	Hd
1.6	150	394	285	240	210	—	24	8–23	1000	305	470	540
1.6	200	457	340	295	265	—	26	12–23	—	—	520	580
1.6	250	533	405	355	320	—	30	12–25	—	—	610	640
1.6	300	610	460	410	375	—	30	12–25	—	—	650	690
1.6	350	686	520	470	435	—	34	16–25	—	—	740	785
1.6	400	762	580	525	485	—	36	16–30	—	—	795	830
1.6	450	764	640	585	545	—	40	20–30	—	—	860	910
1.6	500	914	715	650	608	—	44	20–34	—	—	945	990
1.6	600	1067	840	770	718	—	48	20–41	—	—	1040	1090
1.6	700	1245	910	840	788	—	50	24–41	—	—	1150	1210
1.6	800	1372	1025	950	898	—	52	24–41	—	—	1280	1340
1.6	900	1524	1125	1050	998	—	54	28–41	—	—	1430	1510
1.6	1000	1753	1255	1170	1110	—	56	28–48	—	—	1580	1640
1.6	1200	2032	1485	1390	1325	—	58	32–54	—	—	1810	1910
1.6	1400	2300	1685	1590	1525	—	60	36-54	—	—	2010	2115

Main Dimensions and Connection Sizes (Unit: mm)

PN (MPa)	DN (mm)	L	D	K	d	Y	b	Z-φd	Ws	Hs	Hw	Hd
2.5	150	403	300	250	218	–	30	8–25	1000	305	470	555
	200	502	360	310	278	–	34	12–25	–	–	540	595
	250	568	420	370	332	–	42	12–30	–	–	630	655
	300	648	485	430	390	–	46	16–34	–	–	650	705
	350	762	550	505	448	–	48	16–34	–	–	795	830
	400	838	620	550	505	–	48	16–34	–	–	795	830
	450	914	685	610	560	–	52	20–41	–	–	945	990
	500	991	730	660	612	–	60	20–48	–	–	980	1130
	600	1143	890	795	730	–	62	20–54	–	–	1040	1090
	700	1346	995	900	835	–	68	24–58	–	–	1150	1210
	800	1524	1140	1030	960	–	76	24–58	–	–	1305	1340
	900	1727	1270	1168	1022	–	105	32–54	–	–	1505	1600
	1000	1880	1320	1210	1140	–	114	32–44	–	–	1615	1705
	1200	2300	1755	1640	1560	–	72	36–65	–	–	1925	2035

PN (MPa)	DN (mm)	L	D	K	d	Y	b	Z-φd	Ws	Hs	Hw	Hd
4.0	150	403	300	250	218	204	30	8–25	1200	360	485	590
	200	502	375	320	282	260	38	12–30	–	–	580	650
	250	568	450	385	345	313	42	12–34	–	–	665	680
	300	648	515	450	408	364	46	16–34	–	–	760	810
	350	762	580	510	465	422	52	16–34	–	–	820	890
	400	838	660	585	535	474	58	16–41	–	–	860	940
	450	914	685	610	560	524	60	20–41	–	–	930	1010
	500	991	755	670	612	576	62	20–48	–	–	980	1130
	600	1143	890	795	730	678	62	20–54	–	–	1040	1090
	700	1346	995	900	835	768	68	24–58	–	–	1150	1210
	800	1524	1140	1030	960	876	76	24–58	–	–	1305	1340
	900	1727	1270	1168	1022	105	105	32–54	–	–	1505	1600
	1000	1880	1238	1156	1086	114	114	32–44	–	–	1615	1708
	1200	2184	1467	1372	1302	133	133	32–51	–	–	1925	2035
	1400	1708	1600	1518	–	154	154	28–60	–	–	2110	2185

PN (MPa)	DN (mm)	L	D	K	d	Y	b	Z-φd	Ws	Hs	Hw	Hd
6.4	150	495	345	280	240	204	38	8–34	1200	360	485	590
	200	597	405	345	300	260	44	12–34	–	–	580	650
	250	673	470	400	352	313	48	12–41	–	–	665	720
	300	762	530	460	412	364	54	16–41	–	–	760	840
	350	826	600	525	475	422	60	16–41	–	–	820	930
	400	902	670	585	525	474	66	16–48	–	–	870	990
	500	1054	800	705	640	576	70	20–54	–	–	995	1150
	600	1232	930	820	750	678	76	20–58	–	–	1100	1180
	700	1397	1035	940	800	–	95	28–51	–	–	1180	1230
	800	1651	1149	1054	914	–	108	28–54	–	–	1345	1385
	900	1880	1270	1168	1022	–	114	32–54	–	–	1550	1655
	1000	1981	1270	1175	1092	–	133	32–51	–	–	1675	1745
	1200	2311	1511	1403	1308	–	152	28–60	–	–	1945	2075

FAQ

What makes this ball valve suitable for high-temperature applications?
It features a forged steel body and graphite sealing seat, ideal for 250–400°C temperature ranges.

Can this valve replace gate or globe valves directly?
Yes, the dimensions conform to replacement standards for both gate and globe valves (PN10–40).

What media can this valve handle?
It is compatible with steam, thermal oil, condensate, acidic fluids, and heat-conducting oils.

What is the expected service life of this valve?
Thanks to the high-strength materials and seat design, it lasts 3–5 times longer than traditional valves.

Does VALVEHU provide technical support for selection or customization?
Absolutely. Our engineers can assist with sizing, material selection, and pressure-temperature rating optimization.