2PC Thread Ball Valve
The 2PC Thread Ball Valve features a two-piece design for easy installation and reliable sealing. Widely used in water treatment, HVAC, and petrochemical applications, it supports NPT/BSP threaded connections and offers excellent pressure and corrosion resistance, making it a dependable solution for fluid control.
Valve Size: DN6 – DN100
Pressure Rating: PN16 / PN25 / PN40 / PN64
Body Material: Stainless Steel (CF8/CF8M), Carbon Steel (WCB)
Ball Material: Stainless Steel
Seat Material: PTFE / RPTFE / PEEK
Connection: G / NPT / BSPT / BSP / RC / RP
Applicable Temperature: -29°C to 121°C
Applicable Media: Nitric acid, Acetic acid, Water, Oil, Steam
Product Technical Specifications
Model: Q11F
Design Standard: GB/T 12224
Connection End Standard: GB/T 12221
Face-to-Face Dimension: GB/T 12221
Pressure Test Standard: GB/T 13927
Product Dimensions and Structure
| NO. | PART NAME | MATERIAL |
|---|---|---|
| 1 | NUT | 304 |
| 2 | GASKET | 304 |
| 3 | STEM | F314 |
| 4 | HANDLE | 201 |
| 5 | GLAND NUT | 304 |
| 6 | PACKING | PTFE |
| 7 | THRUST GASKET | PTFE |
| 8 | CAP | 316 |
| 9 | GASKET | PTFE |
| 10 | SEAT | PTFE |
| 11 | BALL | F316 |
| 12 | BODY | 316 |
Performance Parameters
| ITEM | SIZE | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1/4" | 3/8" | 1/2" | 3/4" | 1" | 1 1/4" | 1 1/2" | 2" | 2 1/2" | 3" | |
| d | 10 | 12 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 |
| L | 68 | 68 | 68 | 85 | 90 | 105 | 120 | 140 | 162 | 189 |
| H | 52 | 52 | 52 | 61 | 65 | 79 | 83 | 97 | 130 | 148 |
| E | 100 | 100 | 100 | 110 | 140 | 140 | 185 | 185 | 224 | 224 |
| M | BSP/BSPT/NPT | |||||||||
NPT, BSPT or BSP: Which Thread Does the Pipeline Require?
A threaded ball valve must use a connection that matches the mating pipe or equipment. NPT and BSPT are both tapered thread systems, but they use different thread forms and are not automatically interchangeable. A general request for a “BSP valve” may also be incomplete because the buyer may need a tapered or parallel thread.
The safest purchase description identifies the full thread designation, nominal size and whether the connection is female or male. When replacing a valve, compare the existing connection markings instead of identifying the thread from outside diameter alone.
Where Does a Two-Piece Threaded Ball Valve Fit Best?
The compact body and threaded ends make this type of valve practical for small-diameter piping where a flanged joint is unnecessary or where installation space is limited. The current product page lists water treatment, HVAC and petrochemical uses and identifies water, oil and steam among the applicable media.
Installation space should still be checked. Allow room to rotate the handle and access the threaded joint. Supporting the adjacent pipe during installation can help avoid transferring unnecessary assembly force to the valve body.
Does “Two-Piece” Mean “Two-Way” or “Full Port”?
No. Two-piece describes how the valve body is constructed. Two-way describes the number of flow connections. Full Port describes the relationship between the ball bore and the pipeline passage.
These terms answer different questions and should not be used as substitutes. If bore size is important, ask for the bore dimension of the exact model. An inquiry should state the thread, size, pressure requirement, body and seat materials, medium, temperature and quantity.
2PC Thread Ball Valve FAQs
Can NPT and BSPT be connected directly?
They use different thread forms. Specify the thread required by the mating pipe or equipment.
How can a buyer verify a full-port requirement?
Request the bore diameter for the exact model and size.
What helps identify a replacement threaded valve?
Provide connection markings, nominal size, overall dimensions and clear photos of both ends.
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