High Performance Universal Double Cartridge Seal Family Gdm for Chemical Pumps

• Customization: Available
• Structure: Double-End
• Pressure: Medium Pressure Mechanical Seals
• Model NO.: GDM
• Speed: General Speed Mechanical Seal
• Temperature: Temperature Mechanical Seal
• Performance: High Pressure
• Standard: Standard
• Balance: Balanced
• Style: Mechanical Seal
• Material: 316ss
• Typical Duties1: • Double Balanced for Large Pressure Revers
• Typical Duties2: Provides Ability to Use Plan 53
• Seal Family: Multi-Spring Double Stationary Pusher Seal with Mo
• Transport Package: Carton Box
• Specification: 25-100mm/1.00"-2.75"
• Trademark: FBU
• Origin: China
• HS Code: 8484200090
• Production Capacity: 5000pieces/Year

Product Description

GDM
The Standard Stationary Double Seal Solution for Chemical Pumps(Pumping Ring)

Product Description

Key word	GDM Mechanical Seal
Materials	Seal Face	SSIC/TC/CARBON
	Rubber	EPDM/ FKM /Aflas/ Kalrez
	Springs	ALLOY 276
	Metal Parts	316SS/DUPLEX/ALLOY 276/904L
Components	Static ring and dynamic ring	Installed on fixed equipment components and rotating shafts
	Spring and pressure plate	Provide pressure to ensure tight contact between the static ring and dynamic ring for effective sealing.
	Sealing surface lubrication	To reduce friction and heat
Customization	OEM and ODM
Package	Carton,outer package as request
Delivery time	Depends on quantity you ordered
Delivery way	DHL, UPS, EMS, Air, Sea or  agent as you request available
Payment term	30% prepaid, 70% paid before delivery
Shipping port	shanghai port

 

Product Parameters

 

Operation Parameters	Temperature	-20°C to +220°C
	Pressure	0-25Bar
	Linear Speed	up to 25m/s
	Sealing product	Acidic, alkaline, low percentage pulp, water, oil, and other similar media

•  Stationary face compensation technology. 
•  Double balanced solid face design.
•  Intergrated and Bi-directional diversion, unique pump ring design, excellet barrier fluid circulation.
•  High speed limits, up to 220 degree. No seal face drop or displacement.
•  Higher pressure limits, up to 25 bar.
•  Wet Part in Duplex steel, 904L, Alloy 276, Ti2, Zr-702 available.
•  Suitable for API Plan 52/53A/53B/54.
•  Can replace 5620P,DMSF CARTEX-DN

Detailed Photos

 

NO	Decription	Material	NO	Decription	Material
1	Shaft Sleeve	316SS	16	Pump Ring	316SS
2	O-Ring	EPR/FKM/Aflas/Kalrez	17	O-Ring	EPR/FKM/Aflas/Kalrez
3	Inboard Rotary Face	SSIC/TC	18	Outboard Rotary Face	SSIC/TC
4	O-Ring	EPR/FKM/Aflas/Kalrez	19	O-Ring	EPR/FKM/Aflas/Kalrez
5	Inboard Stationary Face	Carbon/SSIC/TC	20	Outboard Stationary Face	Carbon/SSIC/TC
6	O-Ring	EPR/FKM/Aflas/Kalrez	21	O-Ring	EPR/FKM/Aflas/Kalrez
7	Deflector	316SS	22	Clamp Ring	316SS
8	Gland Insert	316SS	23	Circlip	316SS
9	O-Ring	EPR/FKM/Aflas/Kalrez	24	Spring	Alloy276
10	Drive Ring	316SS	25	Drive Screw	316SS
11	Spring Plate	316SS	26	Gasket	AF1
12	Gland	316SS	27	Setting Clip	Brass
13	Snap Ring	316SS	28	Clip Screw	316SS
14	Spring Plate	316SS	29	Circlip	316SS
15	Pin	316SS	30	Spring	Alloy276

Size(mm)

φA	φB	C	φD	φDm	E	F	H
25	105	66.5	42.0	55.0	38.9	54.2	14
28	105	66.5	45.5	60.0	38.9	54.2	14
30	105	66.5	47.0	60.0	38.9	54.2	14
32	105	66.5	50.0	63.0	38.9	54.2	14
33	105	66.5	50.0	63.0	38.9	54.2	14
35	120	68.5	52.0	65.0	38.9	54.2	14
38	135	80	55.0	75.5	40.1	54.2	15
40	135	80	57.0	75.5	40.1	54.2	15
43	135	80	60.0	75.5	40.1	54.2	15
45	139	84.5	62.0	80.0	40.1	54.2	14
48	139	84.5	65.0	80.0	40.1	54.2	14
50	150	87.5	68.0	83.0	40.1	54.2	17.5
53	150	97	72.0	93.0	40.1	54.2	17.5
55	150	97	72.0	93.0	40.1	54.2	17.5
60	165	102	77.9	98.5	40.1	54.2	17.5
63	171	108	81.0	104.5	40.1	54.2	17.5
65	171	108	84.2	104.5	40.1	54.2	17.5
70	180	112	87.5	107.0	40.1	54.2	17.5

  
Pressure Chart

0000

 

 

 

Company Profile

 

FBU  is specialized in designing, developing, and manufacturing mechanical seals and sealing support system. Our factory has a complete  processing, assembly and testing center, as well as experienced R & D and production team, to provide customers with a full range of high standards and high requirements of mechanical seal products and services, and to meet your diverse needs.

FBU has been audited by LRQA ISO 9001: 2015 certification and all products are manufactured in accordance with international standards ISO, ANSl, DIN, and APl.

As your most trusted partner, you are provided with sealing solutions for various centrifugal pumps, agitators and other rotating equipment. The completely customized and fully tested sealing products we provided meet the high demands of customers in the petrochemical, pharmaceutical, smelting, paper marking, marine and food industries.It is our responsibility to select the best and most accurate materials for our customers.



Our product has established a product quality plan in accordance with API Q1 standard requirements, and the production process
strictly follows it.

Powered by U.S. CNC equipment, our smart factory achieves:

• Seamless cloud to machine programming eliminating manual errors.

• Real time equipment diagnostics with predictive maintenance alerts.

• Data driven process optimization via centralized performance dashboards.

• With 97.2% equipment uptime and <0.01mm machining tolerance, our production lines deliver unmatched consistency.

                Raw material cutting                             NC turning process                              NC milling process                                       Lapping

                     Assembling                                        Air pressure test                                  Laser processing                                      Packaging


All testing equipment has a standardized calibration plan and strictly follows the calibration process.



As an API Q1 10th and Lloyd's ISO9001:2015 certified mechanical seal manufacturer in china, we implement rigorous quality controls through:

• Risk based process management aligned with API Spec Q1 10th Edition requirements.

• End to end traceability systems covering design verification to final inspection.

• Continuous improvement mechanisms with corrective action preventive action cycles.

• Third-party validated procedures for material traceability and non conformance control.

Our dual certified quality system ensures every product exceeds API/ISO standards while fulfilling your specific operational safety and reliability needs.

Our Advantages

• Advanced Manufacturing & Precision Equipment

Equipped with Haas 4-axis and 5-axis machining centers, as well as German Zeiss CMMs, ensuring high-precision, customized mechanical seal production.

• Certified Quality & Technological Excellence Digital & Smart Production Management

Recognized as a National High-Tech Enterprise and Jiangsu Private Tech Enterprise, holding 43 patents and ISO 9001:2015 certification, with products designed to international standards.

• Digital & Smart Production Management

Utilizes SAP for streamlined operations, 3D design + CAM + PLM integration for rapid, accurate, and repeatable production, ensuring efficient quality traceability.

• Premium Material Selection & Supply Chain

Rigorously testing materials to guarantee superior sealing performance and durability.

• Global Reach & Localized Support

Products exported worldwide for industries like petrochemicals, pharmaceuticals, and marine, supported by a network of agents and distributors for on-site service and seamless customer collaboration.

FAQ

• Are you a factory or a trade company?      

  We are a factory with more than 18 years industrial experience.
 

• Where is your company located?

   We are located in Suzhou, China.
 

• Do you have a quality management system?    

   We have been audited by LRQA ISO9001:2015 certification and all products are manufactured in accordance with international        standards ISO, ANSI, DIN and API.
 

• Which payment terms can you accept?    

   T/T, L/C, D/P,  Western Union, PayPal
 

• How long is the normal delivery time?    

   Within 7-20days. If have stock, it about 2-3days.
 

• What 's your shipping ways?    

  By sea, by air and by express (DHL, Fedex, UPS, TNT, EMS etc.)