Product classification of Kaiweixi

KAI WEI XI CHAN PIN FEN LEI

BQ41F Jacket Ball Valve
More floating ball valve>>
More ball valve>>
More valve>>

Phone：+86（577）6730 7899
Mobile：+86 189 6779 6135
Fax：+86（577）6738 7099
Email：Yannie@kaiweixi.com
Address：
Website：https://www.kaiweixi.com

Other valve products you may need

Q41F Flange Ball Valve
Q41Y 3PCS Forged Steel Ball Valve
Q41TC Ceramic Ball Valve
Q671F Pneumatic Wafer Ball Valve
Q941F Electric Floating Ball Valve

BQ41F Jacket Ball Valve

Model：BQ41F-25P/BQ41F-25R/BQ41F-16R/BQ41F-25P
Specification： DN15-DN150
Temperature：≤300℃
Medium：heavy oil, adhesives, and other easily solidified media

Pressure：PN16,PN25
Connection method：Flange
Driving method：Manual, pneumatic, electric
Material：stainless steel,carbon steel

Consult now

Add QR code to serve you!

BQ41F Jacket Ball ValveOverview

BQ41F Jacket Ball Valve Overview

The BQ41F Jacket Ball Valve is a specialized valve that integrates an insulation jacket on the exterior of a standard flanged ball valve. It is primarily used in pipeline systems requiring temperature maintenance or prevention of media solidification. The valve body is made of cast steel or stainless steel and features an integrated or welded jacket layer, allowing circulating heating media (such as steam, hot water, or thermal oil) within the jacket to continuously heat or insulate the valve body and internal passages.The valve operates by rotating the ball 90 degrees to open or close, and the sealing pair typically utilizes temperature-resistant PTFE or enhanced materials. This valve is specifically designed for industries such as petrochemicals, asphalt, oil and fat processing, food, and pharmaceuticals, where it is used to transport high-viscosity, crystallization-prone, or flow‑maintaining media, ensuring continuity and stability in process flows.

BQ41F Jacket Ball Valve Product Image

BQ41F Jacket Ball ValveCharacteristic

BQ41F Jacket Ball Valve Features

1. Efficient Insulation Design

The valve body integrates an insulation jacket that enables uniform heating of the valve body and flow passages through circulating external thermal media. This effectively prevents media from solidifying, crystallizing, or losing temperature within the valve, thereby maintaining process temperatures.

2. Reliable Sealing and Temperature Resistance

Equipped with high‑temperature‑resistant seat sealing materials (such as reinforced PTFE, PPL, or metal seals), ensuring consistent sealing performance under insulated operating conditions and temperature fluctuations.

3. Flexible Operation and Low Heat Loss

The insulation jacket is designed separately from the operating mechanism, allowing valve operation to remain unaffected by the heating system. The jacket covers critical areas with high thermal efficiency and minimal energy loss.

4. Compact Structure and Multiple Connection Options

The jacket is integrated or welded to the valve body, providing a compact and robust structure. Various connection types (e.g., for steam, hot water) are available for thermal media inlet/outlet, facilitating easy integration into plant heating systems.

5. Wide Applicability to Different Media

Particularly suitable for media prone to solidification or high viscosity, such as asphalt, heavy oil, resin, chocolate, and chemical slurries. This design effectively addresses common industrial challenges like clogging and difficult operation at valve points.

BQ41F Jacket Ball Valvestructure principle

BQ41F Jacket Ball Valve Structure Diagram

Parts Name Material List

NO.	Name	Material
1	body	stainless steel
2	ball	stainless steel
3	O ring	FKM 、Viton
4	packing	PTFE
5	stem	stainless steel

BQ41F Jacket Ball Valvetechnology parameter

Performance Specification
Nominal Pressure	1.6/2.5	Mpa
Shell Test	2.4/3.75
Seal Test	1.76/2.75
Suitable Temp.	300	℃

BQ41F Jacket Ball Valvestandard size

Dimensions Standard Requirements

1. The structural length of the valve shall conform to the standard GB/T12221.

2. The connecting flange shall conform to the standard JB/T79.

BQ41F Jacket Ball Valve View Drawing

BQ41F Jacket Ball Valve Dimensions Table

公称通径DN	L	D	D1	D2	B	F	Z-Φd	2-G
15	130	95	65	45	14	2	4-Φ14	3-8
20	150	105	75	55	14	2	4-Φ14	3-8
25	160	115	85	65	14	2	4-Φ14	3-8
32	165	135	100	78	16	2	4-Φ18	1-2
40	180	145	110	85	16	3	4-Φ18	1-2
50	200	160	125	100	16	3	4-Φ18	1-2
65	220	180	145	120	18	3	4-Φ18	1-2
80	250	195	160	135	20	3	4-Φ18	1-2
100	280	215	180	155	20	3	4-Φ18	1-2
125	320	280	240	210	22	3	4-Φ23	1-2
150	360	335	295	265	26	3	4-Φ23	1-2

Ⅱ型连接尺寸

公称通径DN	L	D	D1	D2	B	F	Z-Φd	2-G
15	130	95	65	45	14	2	4-Φ14	3-8
20	150	105	75	55	14	2	4-Φ14	3-8
25	160	115	85	65	14	2	4-Φ14	3-8
32	165	135	100	78	16	2	4-Φ18	1-2
40	180	145	110	85	16	3	4-Φ18	1-2
50	200	160	125	100	16	3	4-Φ18	1-2
65	220	180	145	120	18	3	4-Φ18	1-2
80	250	195	160	135	20	3	4-Φ18	1-2
100	280	215	180	155	20	3	4-Φ18	1-2
125	320	280	240	210	22	3	4-Φ23	1-2
150	360	335	295	265	26	3	4-Φ23	1-2

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.

View more>>

Product classification of Kaiweixi

KAI WEI XI CHAN PIN FEN LEI

BQ41F Jacket Ball Valve

More floating ball valve>>

More ball valve>>

More valve>>

BQ41F Jacket Ball Valve