Product classification of Kaiweixi

KAI WEI XI CHAN PIN FEN LEI

API Standard Metal Ball Valve
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API Standard Metal Ball Valve

Model：API
Specification：1/2"-20"
Temperature：≤450℃
Medium：water, gas, oil

Pressure：Class150LB,Class300LB
Connection method：Flange
Driving method：Manual, pneumatic, electric，gear
Material：Stainless Steel, Carbon Steel.

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API Standard Metal Ball ValveOverview

API Standard Metal Ball Valve Overview

The API Standard Metal Ball Valve is a high-performance industrial valve designed and manufactured in strict compliance with the American Petroleum Institute (API) standards, featuring a metal hard seal structure. The valve body is typically made of forged or cast steel. The sealing surfaces of the ball and seat are constructed using hard alloy materials applied through overlay welding or spraying processes, followed by precision grinding to achieve a tight metal-to-metal seal.This valve complies with API 6D, API 608, and other relevant standards. It offers excellent resistance to high temperatures, high pressure, wear, and erosion, making it suitable for harsh operating conditions involving solid particles, high temperatures and pressures, or corrosive media. Widely used in critical pipeline systems across the petroleum, natural gas, chemical, coal chemical, and power generation industries, it serves as a core component for achieving zero-leakage, safe shutoff functionality.

API Standard Metal Ball Valve Product Image

API Standard Metal Ball ValveCharacteristic

API Standard Metal Ball Valve Features

1. Strict Compliance with API Standards:

The entire process adheres to standards such as API 6D and API 608, meeting stringent American standard requirements for pressure class, structural design, materials, and fire testing (API 607).

2. Hard Alloy Sealing for Demanding Conditions:

The ball and seat feature hard alloy sealing surfaces, offering excellent resistance to high temperatures, wear, and erosion. This makes the valve suitable for media containing solid particles and frequent operation.

3. Fire-Safe and Bidirectional Sealing:

Compliant with API 607 fire-safe standards, the valve maintains sealing through its metal sealing pair even if auxiliary soft sealing materials fail. It typically provides bidirectional sealing capability.

4. Low-Torque and Long-Life Design:

The valve incorporates optimized fixed-ball or floating-ball structures, ensuring stable operating torque. The hard sealing surfaces exhibit low wear rates, resulting in a design life significantly longer than that of soft-seal valves.

5. Smart Maintenance and High Reliability:

The valve can be equipped with a seat injection system and condition monitoring interfaces, supporting preventive maintenance. Its modular design facilitates the replacement of key components, reducing the total lifecycle cost.

API Standard Metal Ball Valvestructure principle

API Standard Metal Ball Valve Structure Diagram

Parts Name Material List

NO.	Name	Material
1	body	ZG1Cr18Ni9Ti、CF8、CF3 、CF8M、ZG1Cr18Ni12Mo2Ti
2	ball	1Cr18Ni9Ti、1Cr18Ni12Mo2Ti、304、304L、316
3	seal gasket	PTFE、PPL、Hard Alloy, Stainless Steel
4	packing	PTFE、PPL、Hard Alloy, Stainless Steel
5	stem	1Cr18Ni9Ti、1Cr18Ni12Mo2Ti、304、304L、316

API Standard Metal Ball Valvetechnology parameter

性能规范表Performance Specification
公称压力Nominal Pressure	1.6-4.0	Mpa
强度试验压力Shell Test	2.4-6.0
密封试验压力Seal Test	1.76-4.4
适用温度Suitable Temp.	450	℃

API Standard Metal Ball Valvestandard size

Dimensions Standard Requirements

1. The structural length of the valve shall conform to the standard ASME16.10.

2. The connecting flange shall conform to the standard ASME16.50.

API Standard Metal Ball Valve View Drawing

API Standard Hard Seal Ball Valve Dimensions Table

1.6MPa	DN	L	D	D1	D2	b	n-φd	H	D0
凸面法兰 RF Q41F Q41PPL 16C 16P 16R	15	130	95	65	45	14	4-14	78	140
	20	140	105	75	55	14	4-14	84	160
	25	150	115	85	65	14	4-14	95	180
	32	165	135	100	78	16	4-18	150	250
	40	180	145	110	85	16	4-18	150	300
	50	200	160	125	100	18	4-18	170	350
	65	220	180	145	120	20	4-18	195	350
	80	250	195	160	135	20	8-18	215	400
	100	280	215	180	155	20	8-18	250	500
	125	320	245	210	185	22	8-18	265	600
	150	360	280	240	210	24	8-23	270	800
	200	400	335	295	265	26	12-23	330	1200
2.5MPa	15	130	95	65	45	16	4-14	103	140
凸面法兰 RF Q41F Q41PPL 25 25P 25R	20	140	105	75	55	16	4-14	112	160
	25	150	115	85	65	16	4-14	123	180
	32	165	135	100	78	18	4-18	150	250
	40	180	145	110	85	18	4-18	156	300
	50	200	160	125	100	20	8-18	172	350
	65	220	180	145	120	22	8-18	197	350
	80	250	195	160	135	22	8-23	222	400
	100	280	230	190	160	24	8-23	253	500
	125	320	270	220	188	28	8-25	275	600
	150	360	300	250	218	30	8-25	286	800
	200	400	360	310	278	34	12-25	340	1200

4.0MPa	DN	L	D	D1	D2	D6	b	n-φd	H	D0
凹凸法兰 MFM Q41F Q41PPL 40 40P 40R	15	130	95	65	45	40	16	4-14	103	140
	20	140	105	75	55	51	16	4-14	112	160
	25	150	115	85	65	58	16	4-14	123	160
	32	180	135	100	78	66	18	4-18	150	250
	40	200	145	110	85	76	18	4-18	156	250
	50	220	160	125	100	88	20	4-18	172	350
	65	250	180	145	120	110	22	8-18	197	350
	80	280	195	160	135	121	22	8-18	222	450
	100	320	230	190	160	150	24	8-23	253	450
	125	400	270	220	188	176	28	8-25	275	600
	150	400	300	250	218	204	30	8-25	286	800
	200	550	375	320	282	260	38	12-30	340	1200
6.4MPa	15	165	105	75	55	40	18	4-14	105	140
凹凸法兰 MFM Q41F Q41PPL 64 64P 64R	20	190	125	90	68	51	20	4-18	125	160
	25	216	135	100	78	58	22	4-18	135	250
	32	229	150	110	82	66	24	4-23	150	350
	40	241	165	125	95	76	24	4-23	165	350
	50	292	175	135	105	88	26	4-23	175	450
	65	330	200	160	130	110	28	8-23	200	450
	80	356	210	170	140	121	30	8-23	210	600
	100	432	250	200	168	150	32	8-25	250	700
	125	508	295	240	202	176	36	8-30	295	1100
	150	559	340	280	240	204	38	8-34	340	1500

Articles related to technology research and development

Wafer-type ball valve patented

The utility model provides a wafer-type float valve, which includes a valve body and a driving mechanism. The valve body is provided with a through medium channel in the axial direction, and is tubular in shape. It also includes a butterfly plate that fits and seals with the inner wall of the medium channel. The driving mechanism comprises a valve shaft that passes through the valve body and is connected to the butterfly plate, a valve rod connected to the outer end of the valve shaft in the radial direction, and a float ball connected to the valve rod. The valve rod is provided with a limit bolt that is threadedly connected to the valve body in the swinging direction. The butterfly plate can rotate relative to the valve body. The front end of the valve body at the inlet of the medium channel is provided with a filter screen, which is hollow and hemispherical in shape. The end face of the valve body opposite the filter screen is provided with an annular groove, and the open end of the filter screen is provided with a raised edge that is embedded in the annular groove. The utility model can filter the medium, is simple to install, time-saving, labor-saving, small in size, widely applicable, and can reduce the impact force of the medium on the butterfly plate.
1. A double-clip type float valve, comprising a valve body and a driving mechanism. The valve body is provided with a through medium channel in the axial direction. It is characterized in that the valve body is tubular and further comprises a butterfly plate that fits and seals with the inner wall of the medium channel. The driving mechanism comprises a valve shaft passing through the valve body and connected to the butterfly plate, a valve rod connected to the outer end of the valve shaft in the radial direction, and a float connected to the valve rod. The valve rod is provided with a limit bolt threadedly connected to the valve body in the swinging direction. The butterfly plate is rotatable relative to the valve body. The front end of the valve body located at the inlet of the medium channel is provided with a filter screen. The filter screen is hollow and hemispherical. The end surface of the valve body opposite the filter screen is provided with an annular groove. The open end of the filter screen is provided with a convex edge embedded in the annular groove.
2. A wafer-type float valve according to claim 1, characterized in that the valve rod penetrates one end of the valve shaft located outside the valve body, and is threadedly engaged with the valve rod through a nut to clamp the valve shaft and achieve positioning of the valve rod.
3. A wafer-type ball valve according to claim 2, characterized in that a step is provided at the position on the valve shaft connected to the valve body, a groove is provided at the position on the outer circumferential wall of the valve body corresponding to the step, and a gland is sleeved on the valve shaft, which is threadably connected to the groove and abuts against the step.
4. A wafer-type ball valve according to claim 3, characterized in that a sealing groove is provided on the side of the groove facing the butterfly plate, and a sealing ring sleeved on the valve shaft is arranged in the sealing groove.
5. A wafer-type ball valve according to claim 1, characterized in that an inner groove is provided on the side wall within the annular groove, and an elastic snap ring, which is used to press the convex edge and is compatible with the inner groove, is provided within the annular groove.
6. A wafer-type ball valve according to claim 5, characterized in that the bottom of the convex edge is provided with a plurality of protrusions arranged around the center of the filter screen, and the annular groove is provided with a limiting groove adapted to the protrusions.
7. A wafer-type float valve according to claim 6, characterized in that the protrusion is hemispherical. 8. A wafer-type float valve according to claim 7, characterized in that a clamping groove is provided at the junction of the protrusion and the protruding edge, and a clamping block adapted to the clamping groove is provided at the opening of the limiting groove.

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Product classification of Kaiweixi

KAI WEI XI CHAN PIN FEN LEI

API Standard Metal Ball Valve

More API, JIS, DIN, GOST、BS Ball Valves>>

More ball valve>>

More valve>>

API Standard Metal Ball Valve