DN25-PN100 2-Piece Metal Seated Ball Valve

Nominal Size DN25 (1″)
Pressure Rating PN100 (Class 600)
Valve Type 2-Piece Floating Ball Valve
Body Construction 2-Piece (Body + End Cap)
End Connections Flanged – EN 1092 1 PN100 or ASME B16.5 Class 600 (RF / RTJ)
Temperature Range –29°C ~ +500°C (depending on hardfacing)
Suitable Media High temperature steam, thermal oil, corrosive fluids, high pressure gas/liquid, abrasive slurries
Fire Safe Design API 607 / ISO 10497 (inherently fire safe due to metal seats)

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DN25-PN100 2-Piece Metal Seated Ball Valve

TECHNICAL DATA SHEET

Product: 2-Piece Metal Seated Ball Valve
크기: DN25 (1 inch)
압력 등급: PN100 (Class 600)
Body Construction: 2-Piece, Floating Ball
Seat Type: Metal‑to‑Metal
End Connections: Flanged (EN 1092‑1 / ASME B16.5)

Basic Specifications

매개변수	Value
공칭 크기	DN25 (1″)
압력 등급	PN100 (Class 600)
밸브 유형	2-Piece Floating Ball Valve
차체 구조	2-Piece (Body + End Cap)
End Connections	Flanged – EN 1092‑1 PN100 or ASME B16.5 Class 600 (RF / RTJ)
온도 범위	–29°C ~ +500°C (depending on hardfacing)
Suitable Media	High‑temperature steam, thermal oil, corrosive fluids, high‑pressure gas/liquid, abrasive slurries
Fire Safe Design	API 607 / ISO 10497 (inherently fire‑safe due to metal seats)

Main Features

Metal‑to‑Metal Seating: Ball coated with tungsten carbide (WC) or Stellite; seat hardfaced with Stellite alloy. Provides exceptional wear, erosion, and high‑temperature resistance.
2-Piece Body: Compact construction, easy maintenance. The body joint is secured with high‑strength bolting.
Floating Ball Design: Under line pressure, the ball shifts slightly against the downstream seat, ensuring tight shut‑off under high differential pressure.
Blowout‑Proof Stem: Stem is designed to prevent ejection under pressure.
Fire Safe: Metal seated construction inherently meets fire‑safe requirements without additional coatings.
Spring‑Loaded Seats (Optional): Pre‑loaded seats maintain continuous contact with the ball, ensuring reliable sealing even at low pressure or under thermal cycling.

Material List (Recommended High‑Temperature / High‑Pressure Configuration)

Item	Part	Standard Material
1	몸	A105N / F316 (ASTM A182)
2	End Cap	A105N / F316
3	공	A105N / 316SS + Tungsten Carbide (WC) Coating
4	Seat Rings	316SS + Stellite 21 Hardfacing
5	줄기	17‑4PH / Inconel 718
6	Stem Packing	Flexible Graphite + Braided Graphite
7	Body Gasket	Spiral Wound, SS + Graphite
8	Bolting	A193 B7 / A194 2H (carbon steel) or B8 / B8M (stainless steel)
9	Seat Springs (if applicable)	Inconel X‑750 / 17‑7PH

Note: NACE MR0175 compliant materials available for sour service.

Dimensions & Structural Data (Flanged Ends)

매개변수	Value
Face‑to‑Face Length (L)	~160 mm (per EN 558 / ASME B16.10 for PN100 / Class 600)
Flange Standard	EN 1092‑1 PN100 or ASME B16.5 Class 600
Flange Facing	Raised Face (RF) or Ring Type Joint (RTJ)
Top Height (H)	~110 mm (with hand lever)
Operating Torque	~30 – 60 N·m (metal seated, floating ball)
Approx. Weight	~5 – 8 kg (flanged version)

Note: Final dimensions to be confirmed by manufacturing drawings.

Design & Testing Standards

Item	기준
Design & Manufacture	ASME B16.34 / EN 12516 / API 608
Flanged End Connections	EN 1092‑1 or ASME B16.5
Pressure‑Temperature Rating	ASME B16.34 / EN 1092‑1
Fire Safe Test	API 607 or API 6FA
Pressure Testing	API 598 or ISO 5208
Low‑Pressure Air Test	0.6 MPa (6 bar) – allowable leakage per API 598 (metal seated)
High‑Pressure Hydrostatic Test	1.5 × rated pressure (body), 1.1 × rated pressure (seat)

Metal Seated vs. Soft Seated Comparison

Feature	Metal Seated	Soft Seated (PTFE / PEEK)
온도 범위	–29°C ~ +500°C	–196°C ~ +260°C
Leakage Rate	API 598 Class V / VI (low, not bubble‑tight)	Bubble‑tight (zero leakage)
Abrasion Resistance	Excellent	Poor
Fire Safety	Inherently fire‑safe	Requires API 607 certification
Operating Torque	Higher	Lower
Suitable Media	High‑temp, steam, slurry, abrasive fluids	Clean fluids, cryogenic, chemicals

Operating Torque & Actuator Sizing

Higher Torque Requirement: Metal seated valves typically require higher torque than soft seated valves due to metal‑to‑metal contact and spring preload.
Floating Ball Effect: In floating ball designs, torque increases with differential pressure as the ball is pressed against the downstream seat.
High‑Temperature Impact: Thermal expansion increases torque at elevated temperatures.
Safety Factor: Actuator output torque should be at least 1.3 – 1.5 times the maximum measured valve torque.

Typical Applications

Refineries: Fluid catalytic cracking (FCC) units, coker units, high‑temperature hydrocarbon service.
Power Plants: Boiler feedwater, main steam systems.
Thermal Oil Systems: High‑temperature heat transfer fluid circuits.
Chemical Processing: Corrosive fluids at elevated temperatures, slurry handling.
Coal Chemical: Black water, ash water, catalyst lines.

Ordering Information

When ordering, please specify:

Size: DN25
Pressure Rating: PN100 (Class 600)
Body Material: A105N / F316 / other
End Connections: Flanged (specify standard: EN 1092‑1 or ASME B16.5, facing type)
Hardfacing: Tungsten Carbide / Stellite 21 / other
Optional Features: NACE MR0175, spring‑loaded seats, pneumatic/electric actuator, locking device

This data sheet reflects the DN25 – PN100 2-Piece Metal Seated Ball Valve with flanged end connections. For specific dimensions, torque curves, or actuator sizing support, please contact us with your detailed requirements.

보증:

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