MED Approval Gravity Luffing Arm Lifeboat Davit Ship Life Saving Equipment

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Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd

Province/State:jiangsu

Country/Region:china

Tel:+86-18015373230

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MED Approval Gravity Luffing Arm Lifeboat Davit Ship Life Saving Equipment

Place of Origin	China
Brand Name	Zhongyuan
Certification	CCS, NK, BV, ABS, DNV-GL, LR, KR, IRS, RS, RINA, Makers Test Certificate, Etc.
Model Number	Standard and Customized
Minimum Order Quantity	1
Price	As per quotation
Packaging Details	Pallet or Customized
Delivery Time	As per offer
Payment Terms	TT, L/C, Etc.
Supply Ability	Satisfy clients needs
Davit name	JYL68 gravity luffing type davit
Winch name	JYWN52L lifeboat electric boat winch
Operation methods	Electric operation
Working load of davit	71KN
Working load of winch	52KN
Hoisting load	40KN
Lowering load of davit	Min. 20 KN, Max. 71 KN
Hoisting speed	≥4 m/min (Life) ≥18.0 m/min (rescue)
Lowering speed of lifeboat	S≥(0.4+0.02H) ×60= m/min Where, S=Lowering speed in m/sec H=Height in meters from davit head to waterline at the lightest seagoing condition

Detailed Product Description

MED Approval Gravity Luffing Arm Lifeboat Davit Ship Life Saving Equipment

Description

1. General Requirements

1-1 The davit is manufactured and test under the approval of Classification Society in compliance with the requirements of the MSC.47 (66)-Amendments to SOLAS 1974 & MSC.48(66)-LSA.

1-2 The davit to be designed for embarkation when the boat in stowed position. The boat may be lowered without stopping in a continuous movement at a minimum time.

1-3 The boat can be lowered by means of remote control. The crew can release and stop the hand brake of the winch from inside of the boat by wire connection to the brake arm and wire spool on the small drum. Alternatively the crew can operate the hand brake on the deck.

1-4 Lashing arrangement for boat can be released manually by using the slip hooks on forward and aft lashing.

1-5 A permanently mounted electric motor on the winch is used for hoisting the life/rescue boat with persons back to the stowed position.

1-6 The winch drives are equipped with one-way brake, disc type axial friction clutch and manual hoisting crank with safety device.

1-7 The inspections and tests of davit appliances to be in accordance with the IMO Resolutions MSC81(70) and approved by classification society.

2. Main Technical Parameters:

Max safety working load KN	Hoisting load KN	Max width mm	Max height mm	Total weight KG
25	14.5	2590	5100	2820
40	17	2800	5200	3492
50	30.5	2800	5200	4300
50	35	2550	6500	3200
70	35	3150	6200	4730
85	38	3430	6600	5025
120	60	4150	8200	6500
170	70	4430	9090	9438

3. Technical Specifications

1．	Davit name: JYL68 gravity luffing type davit		Type	JYL68
2．	Winch name: JYWN52L lifeboat electric boat winch		Type	JYWN52L
	Winch name: JYWN52R lifeboat &rescue boat electric boat winch		Type	JYWN52R
3．	Davit for lifeboat boat: Portside sets/ship, Starboard set/ship
4．	Operation methods: Electric operation
5．	Connection type between equipment and deck: Welding
6．	Remote control : 1)In boat 2)Board side 3)Beside winch
7．	Main technical specifications
1)	Working load of davit:	71 KN
2)	Working load of winch:	52 KN
3)	Hoisting load:	40 KN
4)	Lowering load of davit:	Min. 20 KN, Max. 71 KN

5)	Hoisting speed:	≥4 m/min (Life) ≥18.0 m/min (rescue)
6)	Lowering speed of lifeboat:	S≥(0.4+0.02H) ×60= m/min Where, S=Lowering speed in m/sec H=Height in meters from davit head to waterline at the lightest seagoing condition
7)	Boat fall :	35WxK7-16-1770-Galv-no rotary type
8．	Motor data
1)	Motor of lifeboat winch	YZ160S-6-H
2)	Power:	8.5 KW
3)	Motor of lifeboat & rescue boat winch	YZ225L-4/16-H
4)	Power:	25/12 Kw
5)	Power source:	440V, 60Hz, 3 phases
6)	Motor maker:	Dezhou China
7)	Protection type:	IP56
8)	Motor insulation type:	F
9)	Temperature height:	B
10)	Cable gland:	with
11)	Space heater	with
12)	With earth bolt	with
13)	Starting method:	Direct
9．	Electrical control box
1)	Protection type:	IP56
2)	Control Voltage:	220	V,	1	phase
3)	42V/400VA for lifeboat	Supply
4)	Main electric parts	Schneider
5)	ampere meter	Supply
6)	Material of box:	Stainless Steel
7)	Color of box:	Munsell 7.5BG7/2
10．	Button
1)	Cable gland	with
2)	Button with 7m cable	with

3)	Protection grade:	IP56
4)	Material of base:	PVC
11．	Button protection box
1)	Cable gland	with
2)	Protection type:	IP56
3)	Material of box:	Stainless steel
12．	Self-weight of davit:	~4,300 kg/set
13．	Self weight of life boat & rescue boat winch	~1,370 kg/set

2. Scope of our supply MAKER:

No	Q’TY (per davit)	Descriptions
1	1 set	Davit frame with outfitting
2	1 set	Davit arm with outfitting
3	1 set	Main steel wire rope with tackle
4	1 set	Remote control wire with small pulley
5	1 set	Lashing unit
6	1 set	Electric motor
7	1 set	Starter panel
8	1 set	R.P.B switch box with cable 7m
9	1 set	Instruction plate of lowering procedure
10	1 set	All cable gland
11	3 set	Limit switch
12	1 set	One year spare parts(for 2set of davit)

3. Scope of supply yard:

No	Q’TY (per davit)	Descriptions
1	1 set	Lubrication oil
2	1 set	Deck assembly and installation
3	1 set	Electric cable
4	1 set	Performing on-board test

4. Painting method

Surface preparation: Shot blasting to Sa2.5

Painting	Type	color	D.F.T(μm)
Base	702 Zinc rich epoxy(Grey)	Grey	2x40
Middle
Surface

Product Tags: Lifeboat luffing davit luffing davit gravity davit

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