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DYQ40 Equipped With Eccentric Half Ball Valve

Product overview

Product model: DYQ40
Nominal diameter: DN100~1400mm
Nominal pressure: PN1.0~1.6MPa
Main material: carbon steel WCB/ stainless steel CF8
Applicable medium: natural gas, coal gas, liquefied petroleum gas, crude oil, heavy oil
Applicable temperature: ≤425℃
Flange connection dimensions: GB/T 9113.1-2000.ASME/ANSI 16.5
Structure Length: GB 12221-2005, ASNE B16.10
Manufacturing and acceptance: GB12237-89, API 6D
Pressure test according to JB/T9092-1999, GB/T13927-92, AP1598

DYQ40 Equipped With Eccentric Half Ball Valve product details

DYQ40 Equipped with eccentric half ball valve Product Description

DYQ40 Equipped with eccentric half ball valve produced and sold by Baigang valve group is suitable for sewage treatment, pulp, alumina, urban heating and heating, oil, natural gas, liquid two phases of mixed or easily chemical crystallization of media and other requirements of the occasion is strictly prohibited. Can be used instead of: General valves, special valves for the oil and chemical industry, special valves for gas, special valves for slurry, special valves for pulverized coal ash and the like.

Overbalance hemisphere eccentric eccentric structure principle, through the transmission mechanism to achieve the purpose of tightness, regulation, closure. The double-eccentric structure ball valve is hidden in the valve cavity when the ball valve is opened, and the flow surface is large. When the valve is closed, the spherical surface of the valve core gradually advances along the valve seat, and has a shearing function so as to effectively remove fouling obstacles and achieve reliable sealing.

DYQ40 Equipped with eccentric half ball valve works

This series of ball valve is the crystallization of the traditional ball valve spiritual changes, it is fixed to the metal ball crown on the eccentric ball, eccentric rotation of the crankshaft by 90 degrees to achieve the valve opening and closing, and metal ball sealing surface contact with the metal seat in the Axial and radial float to compensate for the ball and valve seat with the valve. Simple and reliable structure and effective sealing method makes it not only can replace the gate valve, but also can be used in non-useable system. It can be widely used in petroleum, chemical, power and metallurgy industries. Its core technology is the first in China, and it has unique design and novel structure. Its structure adopts the principle of eccentric tightness to achieve the purpose of locking, adjusting and closing through the transmission mechanism. The sealing pair is a hard-surface contact seal of a metal surface ring belt. When the double-eccentric structure is opened, the valve core is located in a Tibetan ball room, The valve is not washed, the valve core is not washed off when it is closed, and when the valve core is opened, the valve core gradually advances along the valve seat to effectively remove scaling problems and achieve reliable sealing. It is particularly effective for mixed flow delivery of two-phase flow-prone fouling solids.

DYQ40 Equipped with eccentric half ball valve Features

1, sealed tightly, delivering zero harmful gas leakage.

2, the valve hemisphere with bimetallic, base metal surfacing on different alloys, the valve seat is also the corresponding surfacing by special treatment, the sealing surface into anti-corrosion, wear-resistant, high strength and other types to meet the needs of different occasions .

3, the seal of the deputy left the amount of compensation valve, when the valve to do wear, turning off a little while, any reliable sealing, extending the service life. In addition, the user will squeeze the nut twist off, seat adjustment or replacement valve is still available, to avoid the failure of the valve seal, the entire scrap defects.

4, the structure of the principle of eccentric tight tight through the transmission mechanism to achieve the purpose of regulating, closing, sealing pair is a metal surface with hard-surface contact seal, the double-eccentric structure in the open when the spool is located in possession of the ball room, large flow cross-section , And the valve is not washed, the valve core is not washed off when closed, open when the valve core gradual progress along the valve seat, the effective removal of scaling obstacles to achieve a reliable seal. It is particularly effective for mixed flow delivery of two-phase flow-prone fouling solids.

DYQ40 Equipped with eccentric half ball valve Main performance specifications

Nominal pressure		0.6	1.0	1.6	2.0	2.5	4.0	5.0	6.4	10
Shell test pressure		0.9	1.5	2.4	3.0	3.8	6.0	7.5	9.6	15
High pressure seal test		0.66	1.1	1.8	2.2	2.8	4.4	5.5	7.1	11
Applicable medium and temperature ℃	DYQ40 type	Water, steam, pulp and other solutions t ≤ 180 ℃
	DYQ40 type	Natural gas, gas, liquefied gas, crude oil, heavy oil t ≤ 425 ℃
	DYQ40 type	Solution, pulp, alumina powder, coal dust, coal ash, dusty gas, waste residue, etc. t ≤ 300 ℃

DYQ40 Equipped with eccentric half ball valve main parts material and code

Part Name	DYQ40 type	DYQ40 type	DYQ40 type
Body	Carbon Steel WCB / Stainless Steel CF8	Carbon Steel WCB / Stainless Steel CF8	Carbon Steel WCB / Stainless Steel CF8
Valve stem	2Cr13 / 304	2Cr13 / 304	2Cr13 / 304
Spool seal pair	WCB / CF8 + Cr	WCB / CF8 + hardened alloy steel	Special hardened alloy steel JK117 / 17Co alloy
Seat seal pair	PTFE / Molon	WCB / CF8 + hardened alloy steel	Special hardened alloy steel JK117 / 17Co alloy

Nominal pressure	Nominal diameter (mm)	Size (mm)
Nominal pressure	Nominal diameter (mm)	L	D	K	d	b	z-d0	Hw	Hd
1.0MPa	100	229	220	180	156	22	8-φ18	330	380
	125	254	210	210	184	22	8-φ18	345	405
	150	267	240	240	211	24	8-φ22	370	440
	200	292	295	295	266	24	8-φ22	405	470
	250	330	350	350	319	26	12-φ22	480	540
	300	403	400	400	370	26	12-φ22	520	580
	350	430	460	460	429	26	16-φ22	570	630
	400	530	515	515	480	26	16-φ26	630	710
	450	580	565	565	530	28	20-φ26	690	770
	500	660	620	620	582	28	20-φ26	740	820
	600	840	725	725	682	34	20-φ30	840	940
	700	900	840	840	794	34	24-φ30	960	1040
	800	1000	950	950	901	36	24-φ33	1080	1180
	900	1100	1050	1050	1001	38	28-φ33	1190	1280
	1000	1200	1160	1160	1112	38	28-φ36	1310	1420
	1200	1300	1380	1380	1328	44	32-φ39	1420	1530
	1400	1500	1590	1590	1530	48	36-φ42	1540	1650
1.6MPa	100	229	180	180	156	22	8-φ18	330	380
	125	254	210	210	184	22	8-φ18	345	405
	150	267	240	240	211	24	8-φ22	370	440
	200	292	295	295	266	24	12-φ22	405	470
	250	330	355	355	319	26	12-φ26	480	540
	300	403	410	410	370	28	12-φ26	520	580
	350	430	470	470	429	30	16-φ26	570	630
	400	530	525	525	480	32	16-φ30	630	710
	450	580	650	585	548	40	20-φ30	690	770
	500	660	770	650	609	44	20-φ33	740	820
	600	840	840	770	720	54	20-φ36	840	940
	700	900	950	840	794	40	24-φ36	960	1040
	800	1000	1050	950	901	42	24-φ39	1080	1180
	900	1100	1125	1050	1001	44	28-φ39	1190	1280
	1000	1200	1255	1170	1112	46	28-φ42	1310	1420
	1200	1300	1485	1390	1328	52	32-φ48	1420	1530
	1400	1500	1590	1590	1530	58	36-φ48	1540	1650

Reminder:

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