Welded body manual ptfe seal cast iron rf 3'' flange ball valve dwg

1-4 Sets
5-9 Sets
>=10 Sets
Min. Order
1 Set
Choose your specifications
Company Information

Shenyang Taike Fluid Control Co., Ltd.

CN Manufacturer, Trading Company
Response Time
Response Rate:
US$ 150,000+
6 Years Paid Supplier Supplier Trade Assurance
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Quick Details

Place of Origin: Liaoning China
Brand Name: TKFM
Model Number: Q61FC-25
Application: General
Power: Manual
Temperature of Media: Normal Temperature
Structure: Ball
Media: Water
Port Size: 3&quot;
Body Material: carbon steel
Stem: 2Cr13, AISI 410
Seat: PTFE+25%C
Ball: ss316 float ball
Spring/metal washer: 60Si2Mn
O-ring: FPM
Connection: flange type
Operated: handle
Test: API 598 and API6D is available
Maintenance: 20 years maintenance free (15000 times trouble free use)
Packaging Detail: Bubble film and standard plywood case stainless steel valve ball
Welded body manual ptfe seal stainless steel rf 3'' flange ball valve
Product Description


This series of products are reliable sealing performance, maintenance-free for 20 years, switch torque light,can be installed in heat transfer stations, district heating pipe network, branch pipes, heat exchanger unit, heat transfer equipment or ancillary equipment connected to other.use for cut off . The main use of the urban heat, city gas, city water supply and drainage lines. 


Standard type


stainless steel valve ball

stainless steel valve ball

No.Part nameMaterial
1BodyCarbon steel St37.8
3Ball 304 stainless steel 
6Metal washer60Si2Mn
8"O" RingFPM
9End pieceCarbon steel St37.8
10HandleCarbon steel +HCr
11"O" RingFPM
12Gland 304 stainless steel 


Five Advantages:

1. integral seamless steel tube pressed full-auto welded without leaking outward.

2. PTFE+25% carbon fiber and disc spring feely compensating structure zero leakage.

3. can be directly buried without need of a high ground well,saving the engineering cost.

4. both valve and pipeling are made of the same material, without the condition of uneven sterss.

5. in multiple connection combination, for use with special working conditions.



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We pay much attention in Test process:

(1) Shell Hydrostatic Test

ANSI B 16.34 Section 7.1
Valve Size NPSTest pressureTest Time. Sce
Below DN501:5 times the 100°F15 Sce
DN65~DN200Rating of  ANSI  Class60 Sce
Up DN250Max. Operating Pressure180 Sce
 Test pressure should be above 1.5 times  than the valve's Max work pressure (100F) 

(2) Seal Hydrostatic Test

The pressure should be more 1.1 times than working pressure by seal hydrastatic test

 stainless steel valve ball

ANSI B 16.34 Section 7.2
Valve Size NPSTest pressureTest Time. Sce
below DN501:1 times the 100°F15 Sce
DN65~DN200Rating of  ANSI  Class30 Sce
above DN250Max. Operating Pressure60 Sce
 Test pressure should be more 1.5 times  than the valve's Max work pressure (100F)180Sce

(3) Seal Air Test

Seal air leakage test is based on 80PSIG(6kgf/cm2) inert-gas or the air reach the test pressure, then close the valve. after that check the valve whether it is leakage or not.

 stainless steel valve ball

Packaging & Shipping

 stainless steel valve ball

Our Services


1.100% factory price, saving cost for client by reducing intermediate link.

2.Strict quality control system and amounts of testing equipments.

3.Deal with client's any problem at fist time. Market, technical support and after-sale service    within 24 hours.

4.Garuantee quality of the valves and dilivery period

5.Certification: CE, ISO9001, TS, CU-TR, API...etc.

6.Low MOQ:  Our factory owns the casting company by itself. We are always ready for providing the sample and producing some small orders, in order to meet the business well.

7.OEM Accepted: We can make the products with the client's demand standard or the    customer requirement.

8.You can order your own configuration.

A: Manual   B: pneumatic  C: electric D: bare shaft  E: disc with pin    F: disc without pin   G: double half shaft   H: one piece body   I: two pieces body  J: logo 



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Company Information

 stainless steel valve ball





1.What is the MOQ?
According to company regulations 10 sets, 5 sets is also acceptable for intentional customer.

2.What about your payment terms?
30% payment in advance, 70% balance pay T/T before loading.


3.What is your delivery date?
10-30 days after received the advance payment.


4.Which models sell best in your factory?
Q61C-25; Q361FC-16; Q661FC-25; Q961C-25(DN15-DN1400)


5.What kind of certification you have?
CE; ISO9001; EAC; API; TS...

6.How many people in your factory? How many designer and how many QC people?
More than 200 employees, 5 desighners, 10 QC people, 20 years experience.


stainless steel valve ball