SHAKO PU520-02S-DC24V Pneumatic Solenoid Valve

상표: SHAKO (대만) | 5/2 방법, Single Solenoid, Internal Pilot Pneumatic 솔레노이드 밸브

✅ 모델 코드 정의

PU520: 5/2 five-port two-position 판막

02: Main port G1/4″; Exhaust port G1/8″

에스: 싱글 솔레노이드 (봄 귀환, 단안정)

DC24V: Coil voltage DC24V (Order code No.9)

Standard thread: G thread; 선택 과목: NPT / Rc

Suffix L = with LED indicator

😀 핵심 기술 사양

📎 Matching Parts & 대안

1. Manifold base: MF520-02 (multi-station manifold available)
2. Energy-saving upgrade: E-PU520-02S-DC24V, lower power consumption and less heat rise for long-term energization
3. Cross-brand equivalent models:

북극: 4V210-08 DC24V

Mindman: MVSC-220-4E1 DC24V

⚠️ 중요 사항

Single solenoid design: auto return when power off. Select PU520-02D (double solenoid) for latching function without power supply.

Internal pilot requires minimum inlet pressure ≥ 0.15 MPa. Select external pilot type PU520A for low-pressure or vacuum applications.

Standard DIN43650 socket; LED version with suffix L is optional.

Complete Technical Datasheet — SHAKO PU520-02S-DC24V

이름: PU520-02-S DC24V 5/2-Way Internal Pilot Single Solenoid Valve (PU Series Pilot Valve)

Original PDF source: SHAKO official PU520 series catalogue

1. Model Coding

PU520 02 S DC24V

PU520: 5/2 five-port two-position pilot solenoid valve

02: Main air port G1/4″; Exhaust port G1/8″

에스: 싱글 솔레노이드, 봄 귀환 (auto reset on power loss)

DC24V: Coil voltage DC24V

Thread default: G; Optional Rc (PT), NPT; Suffix L = with LED indicator

2. 제품특징
3. Medium-size body with large flow capacity, effective area 18 mm²
4. Equipped with lockable manual override, no electricity or air supply needed for field test
5. Anodized aluminum body, wear-resistant and long service life
6. DIN43650 standard socket, IP65 protection suitable for industrial sites
7. Can be mounted on manifold or with individual base
8. Optional energy-saving coil E-PU520-02S-DC24V, low power and low temperature rise
9. Rated Technical Data

⚠️ Do not use this internal pilot model under low pressure or vacuum; choose PU520A-02에스 (외부 파일럿) instead

4. 포트 정의 (5/2 방법)

피: 입구 (G1/4)

에이: 산출 1 (G1/4)

비: 산출 2 (G1/4)

아르 자형, 에스: Two exhaust ports (G1/8)

전원이 차단된 상태: P ↔ A open; B ↔ S exhaust

통전된 상태: P ↔ B open; A ↔ R exhaust

Auto reset to P-A open when power cuts off (single solenoid characteristic)

5. 코일 & 배선 (DC24V DIN43650)

Pin definition: 1(+), 2(-), PE earth

Non-polarized coil version: 터미널 1 & 2 can be swapped; LED version is polarized – wrong polarity only causes indicator off without damaging the valve

소비전력: Standard coil ≈4.8W; E energy-saving coil ≈1.2W

케이블 외경: Φ6～Φ8mm; use waterproof cable gland

Grounding is mandatory; install full sealing gaskets for dusty & splash environments

6. Overall & 장착 치수 (PU520-02-S)

본체폭: 26 mm

장착 구멍: 2×Φ4.3; hole spacing: 70 mm

전체 높이 (코일 포함 & 소켓): 대략. 100 mm

전체 길이: 대략. 130 mm

Two mounting options:

1. 매니폴드 장착: fixed on MF520-02 (recommended for multi-valve centralized control)
2. Individual pipe mounting: with separate base

Manifold MF520-02 supports 2~10 stations, with blanking plugs and mufflers optional

7. 설치, 시운전 & Operation Rules

설치

1. Install air filter (≥40μm) 상류; air treatment triple unit is recommended; no oil & dirt contamination allowed
2. No strict mounting orientation; keep coil facing upward to avoid water accumulation
3. Purge all piping before connecting the valve to prevent metal chips jamming the spool
4. Install mufflers on exhaust ports for noise reduction and dust prevention; never block exhaust ports

Manual Override Button

Press down: force spool to shift; rotate 90° to lock the shifted position for continuous testing

다시 놓기: turn back to unlock; spring resets automatically after release

Manual lock is only for commissioning; do not keep locked during normal operation

Power-on Commissioning Sequence

1. Supply compressed air up to rated pressure and check for air leakage
2. Apply DC24V power and verify cylinder movement; check LED lamp (L model)
3. Cut power to confirm automatic spring reset
4. Troubleshooting List

9. 예비 부품 목록
10. Manifold base: MF520-02 (1-station), MF520-02-XX (multi-station)
11. DIN socket: Standard socket / LED indicator socket
12. Muffler: BSL-M5 / BSL-01 (fits G1/8 exhaust port)
13. Blanking plugs, 개스킷, separate coil assembly
14. Isolation block SOB52-02: Replace valve without shutting down main air supply (online maintenance without line stop)
15. 브랜드 간 동등한 모델

북극: 4V210-08 DC24V

Mindman: MVSC-220-4E1 DC24V

Chelic: SV-5201 DC24V

메모: Mounting hole pitch and base are not interchangeable; only function & port size match

11. 유지보수 일정

일반 환경: Blow exhaust ports and check air leakage every 3 개월

Dust/humid environment: Monthly inspection; disassemble & clean spool and inspect NBR seals every 6 개월

씰 수명: 대략. 5 백만 스위칭 주기; replace seal kit before reaching cycle limit

Working Principle — SHAKO PU520-02S-DC24V

5/2 five-port two-position, 단일 솔레노이드, internal pilot solenoid valve

핵심원리: The coil only actuates a small pilot valve; air pressure difference from main supply pushes the main spool to shift; spring resets automatically when power cuts off (not direct pull by coil like direct-acting valves)

내부 구조

1. Solenoid assembly (DC24V 코일 + 전기자): controls the small pilot valve
2. Pilot air circuit: internal pilot, air is tapped from P inlet; no external control air required
3. 메인 스풀 & 복귀 스프링
4. Five ports: 피 (입구), A/B (outlets), R/S (exhausts)

Key limitation: Internal pilot needs minimum inlet pressure ≥0.15 MPa (1.5 술집) to build pressure difference for spool actuation; select PU520A external pilot for low-pressure & vacuum applications

1. 전원이 차단된 상태 (Normal Position, Spring Return)

코일에 전원이 공급되지 않음, armature drops, pilot valve closes; pilot control chamber vents

Right-side return spring pushes main spool to left

Air circuit: P ↔ A open; B ↔ S exhaust

Cylinder A side air inlet, B side exhaust; cylinder stays at initial position

2. Energized State (DC24V Powered On)

코일에 전원이 공급됨, magnetic force pulls armature up; pilot valve opens

Compressed air from P inlet flows through pilot hole into right-side control chamber

Pressure on right side overcomes spring force; air pressure pushes main spool to shift

Air circuit switches: P ↔ B open; A ↔ R exhaust

Cylinder B side air inlet, A side exhaust; cylinder reverses movement

3. Power Cut Off Again

Magnetic force disappears, pilot valve closes; air inside pilot chamber vents out from pilot exhaust hole

Main spool is pushed back to original position by return spring; air circuit reverts to P-A open status

✅ Feature of single solenoid (에스): auto reset on power loss (단안정); select double solenoid (디) for position latching without power supply.

Manual Override Principle

The lockable manual push button mechanically actuates the pilot spool without power or air supply, simulating energized status for field commissioning. Rotate 90° to lock the shifted position; remember to unlock after testing.

Advantages over Direct-Acting Valves

낮은 코일 전력 (≈4.8W), 작은 크기, 낮은 온도 상승

Large spool flow capacity (18 mm² effective area)

지원 100% continuous energization (100% 에드)

불리: Minimum actuating pressure threshold; cannot work under zero pressure

Air Circuit Logic Summary

SHAKO Solenoid Valve Full Series Catalogue (기능별 & 크기)

메모: PU, 오전, BM, 흑백, 추신, CY = pneumatic directional control valves (5/2,5/3,3/2); PU220/SPU220/PU225 = 2/2 fluid valves (공기, 물, 기름); Prefix E = energy-saving low-power coil

Suffix General Definition

에스: 싱글 솔레노이드 (봄 귀환, 단안정)

디: Double solenoid (래칭, no power hold)

에이: 외부 파일럿 (비어 있는 & low-pressure use)

비: Built-in silencer

X/Y: 5/3-way mid-position function (X=closed center; Y=exhaust center; Z=pressurized center)

엘: LED 표시기 포함

이자형: 에너지 절약형 코일

Port code: 01=G1/8; 02=G1/4; 03=G3/8; 04=G1/2

1. 5/2 2-Position 5-Port / 5/3 3-Position 5-Port Pilot Solenoid Valves (Main cylinder control)

AM520 Series (18mm narrow body, G1/8 포트, equivalent to Airtac 4V110)

AM520-01S / AM520-01D (5/2 single/double solenoid)

AM530X/Y-01디 (5/3 closed/exhaust/pressurized center)

AM520A: 외부 파일럿; AM520B: Built-in silencer

Matching manifold: MF520-01

BM520 Series (22mm 폭, G1/4 포트, equivalent to Airtac 4V210)

BM520-02S / BM520-02D

BM530X/Y-02디 (5/3 three-position)

BM520A: 외부 파일럿; E-BM520: 에너지 절약 버전

Matching manifold: MFB520-02

PU520 Series (Your selected medium size, 26mm 폭, large flow, G1/4~G1/2)

PU520-02S/D, PU520-03S/D, PU520-04S/D (5/2 two-position)

PU530X/Y-02디, PU530X/Y-03디, PU530X/Y-04디 (5/3 three-position)

PU520A: 외부 파일럿 (vacuum/low pressure); PU520AB

E-PU520: 에너지 절약형 코일 (저전력 & 낮은 열)

Matching manifold: MF520-02 / MF520-03 / MF520-04

BW520 Series (Wide body high flow, G3/8 & G1/2, equivalent to 4V410)

BW520-03S/D, BW520-04S/D

BW530X/Y-03디, BW530X/Y-04디

PS520 Series (ISO standard mounting, ISO1/ISO2 interchangeable base)

PS520-02S/D, PS520-03S/D, PS520-04S/D

PS520F: ISO flange mounting

E-PS520: Energy-saving model

CY520 / CY525 Series (Economical pilot valves)

CY520-02S/D, CY520-03S/D

E-CY520, E-SCY520 (SUS316 stainless steel anti-corrosion version)

CY525: Combined 3/2 + 5/2 기능

1. 3/2 3-Port 2-Position Pilot Solenoid Valves (Single-acting cylinder, 비어 있는 & 블로우오프 제어)

PU320 / PU322N: 3/2 pilot type, 포트 01/02/03/04

BM320: 3/2 파일럿 밸브

E-AM325: Energy-saving direct-acting 3/2 판막

III. 2/2 2-Port 2-Position Solenoid Valves (유체 제어: 공기, 물, 기름, 증기, corrosive low-pressure media)

직접 작용 / pilot-operated; brass body / SUS316 stainless steel; 평상시 닫혀 있음 (NC) 표준으로

1. PU220A Direct-acting (저기압 & vacuum applicable)

PU220A-01/02/03/04/06/08

2. SPU220AR SUS316 stainless steel direct type, anti-corrosion for air & 물

SPU220AR-01/02/03; E-SPU220AR energy-saving version

3. PU225X Pilot-operated 2/2 (high pressure large flow, 최대. 50 술집)

PU225X-03/04/06/08

4. PU225S Steam-specific 2/2 판막; flange type PU225SF
5. DC220 Large-bore 2/2 판막 (3/4″~3″, dust removal & 상수도)
6. 특수 모델

E-SPU520: SUS316 stainless steel 5-port pilot valve for corrosive environment

Explosion-proof coil optional: Compatible with PU/BM/PS series, ATEX T4 certified

Pneumatic pilot valves (no solenoid): PA520, PB520, PP520, same body size as solenoid versions

1. Selection Cross Reference Table

1. Manifold Naming Rule

MF520-02-03: PU520 series, G1/4 스레드, 3-station manifold; MFB520 = dedicated manifold for BM520 series